Home / 19,337.97-26,678.43-11,781.55

Finding the Fourth Proportional to 19,337.97, 26,678.43 and 11,781.55

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Solution

The fourth proportional to 19,337.97, 26,678.43 and 11,781.55 is: 16,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.97 : 26,678.43 = 11,781.55 : x
  2. Step 2: Convert to fraction form
    19,337.97/26,678.43 = 11,781.55/x
  3. Step 3: Cross multiply
    19,337.97x = 26,678.43 × 11,781.55
  4. Step 4: Simplify right side
    19,337.97x = 314,313,256.97
  5. Step 5: Solve for x
    x = 314,313,256.97/19,337.97
  6. Step 6: Final answer
    x = 16,253.68

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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.