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Finding the Fourth Proportional to 22,951.70, 34,400.55 and 13,100.30

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Solution

The fourth proportional to 22,951.70, 34,400.55 and 13,100.30 is: 19,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,951.70 : 34,400.55 = 13,100.30 : x
  2. Step 2: Convert to fraction form
    22,951.70/34,400.55 = 13,100.30/x
  3. Step 3: Cross multiply
    22,951.70x = 34,400.55 × 13,100.30
  4. Step 4: Simplify right side
    22,951.70x = 450,657,525.17
  5. Step 5: Solve for x
    x = 450,657,525.17/22,951.70
  6. Step 6: Final answer
    x = 19,635.04

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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.