Home / 11,001.42-16,503.09-5,154.90

Finding the Fourth Proportional to 11,001.42, 16,503.09 and 5,154.90

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Solution

The fourth proportional to 11,001.42, 16,503.09 and 5,154.90 is: 7,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.42 : 16,503.09 = 5,154.90 : x
  2. Step 2: Convert to fraction form
    11,001.42/16,503.09 = 5,154.90/x
  3. Step 3: Cross multiply
    11,001.42x = 16,503.09 × 5,154.90
  4. Step 4: Simplify right side
    11,001.42x = 85,071,778.64
  5. Step 5: Solve for x
    x = 85,071,778.64/11,001.42
  6. Step 6: Final answer
    x = 7,732.80

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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.