Home / 18,733.28-28,099.88-5,585.32

Finding the Fourth Proportional to 18,733.28, 28,099.88 and 5,585.32

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Solution

The fourth proportional to 18,733.28, 28,099.88 and 5,585.32 is: 8,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.28 : 28,099.88 = 5,585.32 : x
  2. Step 2: Convert to fraction form
    18,733.28/28,099.88 = 5,585.32/x
  3. Step 3: Cross multiply
    18,733.28x = 28,099.88 × 5,585.32
  4. Step 4: Simplify right side
    18,733.28x = 156,946,821.76
  5. Step 5: Solve for x
    x = 156,946,821.76/18,733.28
  6. Step 6: Final answer
    x = 8,377.97

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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.