Home / 22,385.44-30,893.76-12,957.28

Finding the Fourth Proportional to 22,385.44, 30,893.76 and 12,957.28

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Solution

The fourth proportional to 22,385.44, 30,893.76 and 12,957.28 is: 17,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385.44 : 30,893.76 = 12,957.28 : x
  2. Step 2: Convert to fraction form
    22,385.44/30,893.76 = 12,957.28/x
  3. Step 3: Cross multiply
    22,385.44x = 30,893.76 × 12,957.28
  4. Step 4: Simplify right side
    22,385.44x = 400,299,098.57
  5. Step 5: Solve for x
    x = 400,299,098.57/22,385.44
  6. Step 6: Final answer
    x = 17,882.12

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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.