Home / 12,377.61-18,566.42-5,456.97

Finding the Fourth Proportional to 12,377.61, 18,566.42 and 5,456.97

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Solution

The fourth proportional to 12,377.61, 18,566.42 and 5,456.97 is: 8,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.61 : 18,566.42 = 5,456.97 : x
  2. Step 2: Convert to fraction form
    12,377.61/18,566.42 = 5,456.97/x
  3. Step 3: Cross multiply
    12,377.61x = 18,566.42 × 5,456.97
  4. Step 4: Simplify right side
    12,377.61x = 101,316,369.66
  5. Step 5: Solve for x
    x = 101,316,369.66/12,377.61
  6. Step 6: Final answer
    x = 8,185.46

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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.