Home / 18,740.27-28,099.78-6,253.52

Finding the Fourth Proportional to 18,740.27, 28,099.78 and 6,253.52

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Solution

The fourth proportional to 18,740.27, 28,099.78 and 6,253.52 is: 9,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.27 : 28,099.78 = 6,253.52 : x
  2. Step 2: Convert to fraction form
    18,740.27/28,099.78 = 6,253.52/x
  3. Step 3: Cross multiply
    18,740.27x = 28,099.78 × 6,253.52
  4. Step 4: Simplify right side
    18,740.27x = 175,722,380.09
  5. Step 5: Solve for x
    x = 175,722,380.09/18,740.27
  6. Step 6: Final answer
    x = 9,376.72

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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.