Home / 18,188.20-25,099.45-10,230.42

Finding the Fourth Proportional to 18,188.20, 25,099.45 and 10,230.42

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Solution

The fourth proportional to 18,188.20, 25,099.45 and 10,230.42 is: 14,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.20 : 25,099.45 = 10,230.42 : x
  2. Step 2: Convert to fraction form
    18,188.20/25,099.45 = 10,230.42/x
  3. Step 3: Cross multiply
    18,188.20x = 25,099.45 × 10,230.42
  4. Step 4: Simplify right side
    18,188.20x = 256,777,900.18
  5. Step 5: Solve for x
    x = 256,777,900.18/18,188.20
  6. Step 6: Final answer
    x = 14,117.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.