Home / 22,519.61-33,781.16-13,160.60

Finding the Fourth Proportional to 22,519.61, 33,781.16 and 13,160.60

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Solution

The fourth proportional to 22,519.61, 33,781.16 and 13,160.60 is: 19,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,519.61 : 33,781.16 = 13,160.60 : x
  2. Step 2: Convert to fraction form
    22,519.61/33,781.16 = 13,160.60/x
  3. Step 3: Cross multiply
    22,519.61x = 33,781.16 × 13,160.60
  4. Step 4: Simplify right side
    22,519.61x = 444,580,099.59
  5. Step 5: Solve for x
    x = 444,580,099.59/22,519.61
  6. Step 6: Final answer
    x = 19,741.91

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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.