Home / 15,385.38-23,080.29-4,851.82

Finding the Fourth Proportional to 15,385.38, 23,080.29 and 4,851.82

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Solution

The fourth proportional to 15,385.38, 23,080.29 and 4,851.82 is: 7,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.38 : 23,080.29 = 4,851.82 : x
  2. Step 2: Convert to fraction form
    15,385.38/23,080.29 = 4,851.82/x
  3. Step 3: Cross multiply
    15,385.38x = 23,080.29 × 4,851.82
  4. Step 4: Simplify right side
    15,385.38x = 111,981,412.63
  5. Step 5: Solve for x
    x = 111,981,412.63/15,385.38
  6. Step 6: Final answer
    x = 7,278.43

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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.