Home / 12,553.47-18,807.26-5,877.72

Finding the Fourth Proportional to 12,553.47, 18,807.26 and 5,877.72

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Solution

The fourth proportional to 12,553.47, 18,807.26 and 5,877.72 is: 8,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.47 : 18,807.26 = 5,877.72 : x
  2. Step 2: Convert to fraction form
    12,553.47/18,807.26 = 5,877.72/x
  3. Step 3: Cross multiply
    12,553.47x = 18,807.26 × 5,877.72
  4. Step 4: Simplify right side
    12,553.47x = 110,543,778.86
  5. Step 5: Solve for x
    x = 110,543,778.86/12,553.47
  6. Step 6: Final answer
    x = 8,805.83

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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.