Home / 15,339.34-23,013.19-5,479.62

Finding the Fourth Proportional to 15,339.34, 23,013.19 and 5,479.62

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Solution

The fourth proportional to 15,339.34, 23,013.19 and 5,479.62 is: 8,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.34 : 23,013.19 = 5,479.62 : x
  2. Step 2: Convert to fraction form
    15,339.34/23,013.19 = 5,479.62/x
  3. Step 3: Cross multiply
    15,339.34x = 23,013.19 × 5,479.62
  4. Step 4: Simplify right side
    15,339.34x = 126,103,536.19
  5. Step 5: Solve for x
    x = 126,103,536.19/15,339.34
  6. Step 6: Final answer
    x = 8,220.92

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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.