Home / 14,999.38-22,505.55-8,415.70

Finding the Fourth Proportional to 14,999.38, 22,505.55 and 8,415.70

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Solution

The fourth proportional to 14,999.38, 22,505.55 and 8,415.70 is: 12,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.38 : 22,505.55 = 8,415.70 : x
  2. Step 2: Convert to fraction form
    14,999.38/22,505.55 = 8,415.70/x
  3. Step 3: Cross multiply
    14,999.38x = 22,505.55 × 8,415.70
  4. Step 4: Simplify right side
    14,999.38x = 189,399,957.14
  5. Step 5: Solve for x
    x = 189,399,957.14/14,999.38
  6. Step 6: Final answer
    x = 12,627.19

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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.