Home / 11,152.20-16,728.30-11,075.40

Finding the Fourth Proportional to 11,152.20, 16,728.30 and 11,075.40

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Solution

The fourth proportional to 11,152.20, 16,728.30 and 11,075.40 is: 16,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.20 : 16,728.30 = 11,075.40 : x
  2. Step 2: Convert to fraction form
    11,152.20/16,728.30 = 11,075.40/x
  3. Step 3: Cross multiply
    11,152.20x = 16,728.30 × 11,075.40
  4. Step 4: Simplify right side
    11,152.20x = 185,272,613.82
  5. Step 5: Solve for x
    x = 185,272,613.82/11,152.20
  6. Step 6: Final answer
    x = 16,613.10

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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.