Home / 15,387.38-23,076.51-4,291.39

Finding the Fourth Proportional to 15,387.38, 23,076.51 and 4,291.39

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Solution

The fourth proportional to 15,387.38, 23,076.51 and 4,291.39 is: 6,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.38 : 23,076.51 = 4,291.39 : x
  2. Step 2: Convert to fraction form
    15,387.38/23,076.51 = 4,291.39/x
  3. Step 3: Cross multiply
    15,387.38x = 23,076.51 × 4,291.39
  4. Step 4: Simplify right side
    15,387.38x = 99,030,341.14
  5. Step 5: Solve for x
    x = 99,030,341.14/15,387.38
  6. Step 6: Final answer
    x = 6,435.82

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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.