Home / 17,781.28-24,538.65-10,615.36

Finding the Fourth Proportional to 17,781.28, 24,538.65 and 10,615.36

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Solution

The fourth proportional to 17,781.28, 24,538.65 and 10,615.36 is: 14,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.28 : 24,538.65 = 10,615.36 : x
  2. Step 2: Convert to fraction form
    17,781.28/24,538.65 = 10,615.36/x
  3. Step 3: Cross multiply
    17,781.28x = 24,538.65 × 10,615.36
  4. Step 4: Simplify right side
    17,781.28x = 260,486,603.66
  5. Step 5: Solve for x
    x = 260,486,603.66/17,781.28
  6. Step 6: Final answer
    x = 14,649.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.