Home / 11,001.42-15,168.87-8,344.22

Finding the Fourth Proportional to 11,001.42, 15,168.87 and 8,344.22

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Solution

The fourth proportional to 11,001.42, 15,168.87 and 8,344.22 is: 11,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.42 : 15,168.87 = 8,344.22 : x
  2. Step 2: Convert to fraction form
    11,001.42/15,168.87 = 8,344.22/x
  3. Step 3: Cross multiply
    11,001.42x = 15,168.87 × 8,344.22
  4. Step 4: Simplify right side
    11,001.42x = 126,572,312.59
  5. Step 5: Solve for x
    x = 126,572,312.59/11,001.42
  6. Step 6: Final answer
    x = 11,505.09

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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.