Home / 15,073.38-20,802.33-8,359.65

Finding the Fourth Proportional to 15,073.38, 20,802.33 and 8,359.65

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Solution

The fourth proportional to 15,073.38, 20,802.33 and 8,359.65 is: 11,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,073.38 : 20,802.33 = 8,359.65 : x
  2. Step 2: Convert to fraction form
    15,073.38/20,802.33 = 8,359.65/x
  3. Step 3: Cross multiply
    15,073.38x = 20,802.33 × 8,359.65
  4. Step 4: Simplify right side
    15,073.38x = 173,900,197.98
  5. Step 5: Solve for x
    x = 173,900,197.98/15,073.38
  6. Step 6: Final answer
    x = 11,536.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.