Home / 8,877.49-13,325.42-6,540.13

Finding the Fourth Proportional to 8,877.49, 13,325.42 and 6,540.13

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Solution

The fourth proportional to 8,877.49, 13,325.42 and 6,540.13 is: 9,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.49 : 13,325.42 = 6,540.13 : x
  2. Step 2: Convert to fraction form
    8,877.49/13,325.42 = 6,540.13/x
  3. Step 3: Cross multiply
    8,877.49x = 13,325.42 × 6,540.13
  4. Step 4: Simplify right side
    8,877.49x = 87,149,979.10
  5. Step 5: Solve for x
    x = 87,149,979.10/8,877.49
  6. Step 6: Final answer
    x = 9,816.96

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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.