Home / 12,377.18-18,569.60-4,057.26

Finding the Fourth Proportional to 12,377.18, 18,569.60 and 4,057.26

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Solution

The fourth proportional to 12,377.18, 18,569.60 and 4,057.26 is: 6,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.18 : 18,569.60 = 4,057.26 : x
  2. Step 2: Convert to fraction form
    12,377.18/18,569.60 = 4,057.26/x
  3. Step 3: Cross multiply
    12,377.18x = 18,569.60 × 4,057.26
  4. Step 4: Simplify right side
    12,377.18x = 75,341,695.30
  5. Step 5: Solve for x
    x = 75,341,695.30/12,377.18
  6. Step 6: Final answer
    x = 6,087.15

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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.