Home / 12,553.72-18,807.63-5,877.97

Finding the Fourth Proportional to 12,553.72, 18,807.63 and 5,877.97

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Solution

The fourth proportional to 12,553.72, 18,807.63 and 5,877.97 is: 8,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.72 : 18,807.63 = 5,877.97 : x
  2. Step 2: Convert to fraction form
    12,553.72/18,807.63 = 5,877.97/x
  3. Step 3: Cross multiply
    12,553.72x = 18,807.63 × 5,877.97
  4. Step 4: Simplify right side
    12,553.72x = 110,550,684.91
  5. Step 5: Solve for x
    x = 110,550,684.91/12,553.72
  6. Step 6: Final answer
    x = 8,806.21

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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.