Home / 20,158.46-30,227.27-9,055.65

Finding the Fourth Proportional to 20,158.46, 30,227.27 and 9,055.65

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Solution

The fourth proportional to 20,158.46, 30,227.27 and 9,055.65 is: 13,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.46 : 30,227.27 = 9,055.65 : x
  2. Step 2: Convert to fraction form
    20,158.46/30,227.27 = 9,055.65/x
  3. Step 3: Cross multiply
    20,158.46x = 30,227.27 × 9,055.65
  4. Step 4: Simplify right side
    20,158.46x = 273,727,532.30
  5. Step 5: Solve for x
    x = 273,727,532.30/20,158.46
  6. Step 6: Final answer
    x = 13,578.80

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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.