Home / 15,781.24-23,655.88-10,238.10

Finding the Fourth Proportional to 15,781.24, 23,655.88 and 10,238.10

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Solution

The fourth proportional to 15,781.24, 23,655.88 and 10,238.10 is: 15,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.24 : 23,655.88 = 10,238.10 : x
  2. Step 2: Convert to fraction form
    15,781.24/23,655.88 = 10,238.10/x
  3. Step 3: Cross multiply
    15,781.24x = 23,655.88 × 10,238.10
  4. Step 4: Simplify right side
    15,781.24x = 242,191,265.03
  5. Step 5: Solve for x
    x = 242,191,265.03/15,781.24
  6. Step 6: Final answer
    x = 15,346.78

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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.