Home / 15,269.92-22,908.15-4,739.71

Finding the Fourth Proportional to 15,269.92, 22,908.15 and 4,739.71

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Solution

The fourth proportional to 15,269.92, 22,908.15 and 4,739.71 is: 7,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.92 : 22,908.15 = 4,739.71 : x
  2. Step 2: Convert to fraction form
    15,269.92/22,908.15 = 4,739.71/x
  3. Step 3: Cross multiply
    15,269.92x = 22,908.15 × 4,739.71
  4. Step 4: Simplify right side
    15,269.92x = 108,577,987.64
  5. Step 5: Solve for x
    x = 108,577,987.64/15,269.92
  6. Step 6: Final answer
    x = 7,110.58

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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.