Home / 23,781.74-32,818.47-13,710.20

Finding the Fourth Proportional to 23,781.74, 32,818.47 and 13,710.20

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Solution

The fourth proportional to 23,781.74, 32,818.47 and 13,710.20 is: 18,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.74 : 32,818.47 = 13,710.20 : x
  2. Step 2: Convert to fraction form
    23,781.74/32,818.47 = 13,710.20/x
  3. Step 3: Cross multiply
    23,781.74x = 32,818.47 × 13,710.20
  4. Step 4: Simplify right side
    23,781.74x = 449,947,787.39
  5. Step 5: Solve for x
    x = 449,947,787.39/23,781.74
  6. Step 6: Final answer
    x = 18,919.89

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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.