Home / 14,957.38-20,641.05-8,242.84

Finding the Fourth Proportional to 14,957.38, 20,641.05 and 8,242.84

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Solution

The fourth proportional to 14,957.38, 20,641.05 and 8,242.84 is: 11,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,957.38 : 20,641.05 = 8,242.84 : x
  2. Step 2: Convert to fraction form
    14,957.38/20,641.05 = 8,242.84/x
  3. Step 3: Cross multiply
    14,957.38x = 20,641.05 × 8,242.84
  4. Step 4: Simplify right side
    14,957.38x = 170,140,872.58
  5. Step 5: Solve for x
    x = 170,140,872.58/14,957.38
  6. Step 6: Final answer
    x = 11,375.05

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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.