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Finding the Fourth Proportional to 10,000.79, 15,001.17 and 3,075.29

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Solution

The fourth proportional to 10,000.79, 15,001.17 and 3,075.29 is: 4,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.79 : 15,001.17 = 3,075.29 : x
  2. Step 2: Convert to fraction form
    10,000.79/15,001.17 = 3,075.29/x
  3. Step 3: Cross multiply
    10,000.79x = 15,001.17 × 3,075.29
  4. Step 4: Simplify right side
    10,000.79x = 46,132,873.08
  5. Step 5: Solve for x
    x = 46,132,873.08/10,000.79
  6. Step 6: Final answer
    x = 4,612.93

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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.