Home / 10,265.10-15,387.39-4,716.06

Finding the Fourth Proportional to 10,265.10, 15,387.39 and 4,716.06

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Solution

The fourth proportional to 10,265.10, 15,387.39 and 4,716.06 is: 7,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.10 : 15,387.39 = 4,716.06 : x
  2. Step 2: Convert to fraction form
    10,265.10/15,387.39 = 4,716.06/x
  3. Step 3: Cross multiply
    10,265.10x = 15,387.39 × 4,716.06
  4. Step 4: Simplify right side
    10,265.10x = 72,567,854.48
  5. Step 5: Solve for x
    x = 72,567,854.48/10,265.10
  6. Step 6: Final answer
    x = 7,069.38

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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.