Home / 15,121.05-22,672.71-4,587.90

Finding the Fourth Proportional to 15,121.05, 22,672.71 and 4,587.90

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Solution

The fourth proportional to 15,121.05, 22,672.71 and 4,587.90 is: 6,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.05 : 22,672.71 = 4,587.90 : x
  2. Step 2: Convert to fraction form
    15,121.05/22,672.71 = 4,587.90/x
  3. Step 3: Cross multiply
    15,121.05x = 22,672.71 × 4,587.90
  4. Step 4: Simplify right side
    15,121.05x = 104,020,126.21
  5. Step 5: Solve for x
    x = 104,020,126.21/15,121.05
  6. Step 6: Final answer
    x = 6,879.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.