Home / 18,539.28-27,803.15-6,691.52

Finding the Fourth Proportional to 18,539.28, 27,803.15 and 6,691.52

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Solution

The fourth proportional to 18,539.28, 27,803.15 and 6,691.52 is: 10,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.28 : 27,803.15 = 6,691.52 : x
  2. Step 2: Convert to fraction form
    18,539.28/27,803.15 = 6,691.52/x
  3. Step 3: Cross multiply
    18,539.28x = 27,803.15 × 6,691.52
  4. Step 4: Simplify right side
    18,539.28x = 186,045,161.81
  5. Step 5: Solve for x
    x = 186,045,161.81/18,539.28
  6. Step 6: Final answer
    x = 10,035.19

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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.