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Finding the Fourth Proportional to 18,333.30, 27,499.95 and 6,641.76

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Solution

The fourth proportional to 18,333.30, 27,499.95 and 6,641.76 is: 9,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.30 : 27,499.95 = 6,641.76 : x
  2. Step 2: Convert to fraction form
    18,333.30/27,499.95 = 6,641.76/x
  3. Step 3: Cross multiply
    18,333.30x = 27,499.95 × 6,641.76
  4. Step 4: Simplify right side
    18,333.30x = 182,648,067.91
  5. Step 5: Solve for x
    x = 182,648,067.91/18,333.30
  6. Step 6: Final answer
    x = 9,962.64

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1.5x scale

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.