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Finding the Fourth Proportional to 10,000.88, 15,001.32 and 3,075.44

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Solution

The fourth proportional to 10,000.88, 15,001.32 and 3,075.44 is: 4,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.88 : 15,001.32 = 3,075.44 : x
  2. Step 2: Convert to fraction form
    10,000.88/15,001.32 = 3,075.44/x
  3. Step 3: Cross multiply
    10,000.88x = 15,001.32 × 3,075.44
  4. Step 4: Simplify right side
    10,000.88x = 46,135,659.58
  5. Step 5: Solve for x
    x = 46,135,659.58/10,000.88
  6. Step 6: Final answer
    x = 4,613.16

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.