Home / 15,098.78-22,642.50-5,235.68

Finding the Fourth Proportional to 15,098.78, 22,642.50 and 5,235.68

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Solution

The fourth proportional to 15,098.78, 22,642.50 and 5,235.68 is: 7,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098.78 : 22,642.50 = 5,235.68 : x
  2. Step 2: Convert to fraction form
    15,098.78/22,642.50 = 5,235.68/x
  3. Step 3: Cross multiply
    15,098.78x = 22,642.50 × 5,235.68
  4. Step 4: Simplify right side
    15,098.78x = 118,548,884.40
  5. Step 5: Solve for x
    x = 118,548,884.40/15,098.78
  6. Step 6: Final answer
    x = 7,851.55

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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.