Home / 15,776.13-23,664.21-5,387.88

Finding the Fourth Proportional to 15,776.13, 23,664.21 and 5,387.88

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Solution

The fourth proportional to 15,776.13, 23,664.21 and 5,387.88 is: 8,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.13 : 23,664.21 = 5,387.88 : x
  2. Step 2: Convert to fraction form
    15,776.13/23,664.21 = 5,387.88/x
  3. Step 3: Cross multiply
    15,776.13x = 23,664.21 × 5,387.88
  4. Step 4: Simplify right side
    15,776.13x = 127,499,923.77
  5. Step 5: Solve for x
    x = 127,499,923.77/15,776.13
  6. Step 6: Final answer
    x = 8,081.83

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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.