Home / 10,542.17-15,809.41-3,144.13

Finding the Fourth Proportional to 10,542.17, 15,809.41 and 3,144.13

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Solution

The fourth proportional to 10,542.17, 15,809.41 and 3,144.13 is: 4,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.17 : 15,809.41 = 3,144.13 : x
  2. Step 2: Convert to fraction form
    10,542.17/15,809.41 = 3,144.13/x
  3. Step 3: Cross multiply
    10,542.17x = 15,809.41 × 3,144.13
  4. Step 4: Simplify right side
    10,542.17x = 49,706,840.26
  5. Step 5: Solve for x
    x = 49,706,840.26/10,542.17
  6. Step 6: Final answer
    x = 4,715.05

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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.