Home / 18,864.74-28,293.31-5,714.02

Finding the Fourth Proportional to 18,864.74, 28,293.31 and 5,714.02

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Solution

The fourth proportional to 18,864.74, 28,293.31 and 5,714.02 is: 8,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.74 : 28,293.31 = 5,714.02 : x
  2. Step 2: Convert to fraction form
    18,864.74/28,293.31 = 5,714.02/x
  3. Step 3: Cross multiply
    18,864.74x = 28,293.31 × 5,714.02
  4. Step 4: Simplify right side
    18,864.74x = 161,668,539.21
  5. Step 5: Solve for x
    x = 161,668,539.21/18,864.74
  6. Step 6: Final answer
    x = 8,569.88

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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.