Home / 15,385.13-23,079.92-4,851.57

Finding the Fourth Proportional to 15,385.13, 23,079.92 and 4,851.57

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Solution

The fourth proportional to 15,385.13, 23,079.92 and 4,851.57 is: 7,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.13 : 23,079.92 = 4,851.57 : x
  2. Step 2: Convert to fraction form
    15,385.13/23,079.92 = 4,851.57/x
  3. Step 3: Cross multiply
    15,385.13x = 23,079.92 × 4,851.57
  4. Step 4: Simplify right side
    15,385.13x = 111,973,823.22
  5. Step 5: Solve for x
    x = 111,973,823.22/15,385.13
  6. Step 6: Final answer
    x = 7,278.06

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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.