Home / 20,250.67-30,373.90-5,458.69

Finding the Fourth Proportional to 20,250.67, 30,373.90 and 5,458.69

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Solution

The fourth proportional to 20,250.67, 30,373.90 and 5,458.69 is: 8,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.67 : 30,373.90 = 5,458.69 : x
  2. Step 2: Convert to fraction form
    20,250.67/30,373.90 = 5,458.69/x
  3. Step 3: Cross multiply
    20,250.67x = 30,373.90 × 5,458.69
  4. Step 4: Simplify right side
    20,250.67x = 165,801,704.19
  5. Step 5: Solve for x
    x = 165,801,704.19/20,250.67
  6. Step 6: Final answer
    x = 8,187.47

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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.