Home / 18,077.60-27,117.24-6,392

Finding the Fourth Proportional to 18,077.60, 27,117.24 and 6,392

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Solution

The fourth proportional to 18,077.60, 27,117.24 and 6,392 is: 9,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.60 : 27,117.24 = 6,392 : x
  2. Step 2: Convert to fraction form
    18,077.60/27,117.24 = 6,392/x
  3. Step 3: Cross multiply
    18,077.60x = 27,117.24 × 6,392
  4. Step 4: Simplify right side
    18,077.60x = 173,333,398.08
  5. Step 5: Solve for x
    x = 173,333,398.08/18,077.60
  6. Step 6: Final answer
    x = 9,588.30

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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.