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Finding the Fourth Proportional to 14,866.98, 22,287.24 and 5,639.46

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Solution

The fourth proportional to 14,866.98, 22,287.24 and 5,639.46 is: 8,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.98 : 22,287.24 = 5,639.46 : x
  2. Step 2: Convert to fraction form
    14,866.98/22,287.24 = 5,639.46/x
  3. Step 3: Cross multiply
    14,866.98x = 22,287.24 × 5,639.46
  4. Step 4: Simplify right side
    14,866.98x = 125,687,998.49
  5. Step 5: Solve for x
    x = 125,687,998.49/14,866.98
  6. Step 6: Final answer
    x = 8,454.17

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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.