Home / 18,099.12-24,980.28-10,144.92

Finding the Fourth Proportional to 18,099.12, 24,980.28 and 10,144.92

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Solution

The fourth proportional to 18,099.12, 24,980.28 and 10,144.92 is: 14,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.12 : 24,980.28 = 10,144.92 : x
  2. Step 2: Convert to fraction form
    18,099.12/24,980.28 = 10,144.92/x
  3. Step 3: Cross multiply
    18,099.12x = 24,980.28 × 10,144.92
  4. Step 4: Simplify right side
    18,099.12x = 253,422,942.18
  5. Step 5: Solve for x
    x = 253,422,942.18/18,099.12
  6. Step 6: Final answer
    x = 14,001.95

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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.