Home / 14,999.76-22,500.24-5,638.80

Finding the Fourth Proportional to 14,999.76, 22,500.24 and 5,638.80

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Solution

The fourth proportional to 14,999.76, 22,500.24 and 5,638.80 is: 8,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.76 : 22,500.24 = 5,638.80 : x
  2. Step 2: Convert to fraction form
    14,999.76/22,500.24 = 5,638.80/x
  3. Step 3: Cross multiply
    14,999.76x = 22,500.24 × 5,638.80
  4. Step 4: Simplify right side
    14,999.76x = 126,874,353.31
  5. Step 5: Solve for x
    x = 126,874,353.31/14,999.76
  6. Step 6: Final answer
    x = 8,458.43

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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.