Home / 18,585.60-27,869.18-6,738.90

Finding the Fourth Proportional to 18,585.60, 27,869.18 and 6,738.90

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Solution

The fourth proportional to 18,585.60, 27,869.18 and 6,738.90 is: 10,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.60 : 27,869.18 = 6,738.90 : x
  2. Step 2: Convert to fraction form
    18,585.60/27,869.18 = 6,738.90/x
  3. Step 3: Cross multiply
    18,585.60x = 27,869.18 × 6,738.90
  4. Step 4: Simplify right side
    18,585.60x = 187,807,583.41
  5. Step 5: Solve for x
    x = 187,807,583.41/18,585.60
  6. Step 6: Final answer
    x = 10,105.01

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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.