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Finding the Fourth Proportional to 18,286.71, 27,430.03 and 6,599.91

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Solution

The fourth proportional to 18,286.71, 27,430.03 and 6,599.91 is: 9,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.71 : 27,430.03 = 6,599.91 : x
  2. Step 2: Convert to fraction form
    18,286.71/27,430.03 = 6,599.91/x
  3. Step 3: Cross multiply
    18,286.71x = 27,430.03 × 6,599.91
  4. Step 4: Simplify right side
    18,286.71x = 181,035,729.30
  5. Step 5: Solve for x
    x = 181,035,729.30/18,286.71
  6. Step 6: Final answer
    x = 9,899.85

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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.