Home / 18,807.57-28,211.94-5,660.04

Finding the Fourth Proportional to 18,807.57, 28,211.94 and 5,660.04

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Solution

The fourth proportional to 18,807.57, 28,211.94 and 5,660.04 is: 8,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.57 : 28,211.94 = 5,660.04 : x
  2. Step 2: Convert to fraction form
    18,807.57/28,211.94 = 5,660.04/x
  3. Step 3: Cross multiply
    18,807.57x = 28,211.94 × 5,660.04
  4. Step 4: Simplify right side
    18,807.57x = 159,680,708.88
  5. Step 5: Solve for x
    x = 159,680,708.88/18,807.57
  6. Step 6: Final answer
    x = 8,490.24

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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.