Home / 20,250.74-30,373.31-5,460.55

Finding the Fourth Proportional to 20,250.74, 30,373.31 and 5,460.55

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Solution

The fourth proportional to 20,250.74, 30,373.31 and 5,460.55 is: 8,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.74 : 30,373.31 = 5,460.55 : x
  2. Step 2: Convert to fraction form
    20,250.74/30,373.31 = 5,460.55/x
  3. Step 3: Cross multiply
    20,250.74x = 30,373.31 × 5,460.55
  4. Step 4: Simplify right side
    20,250.74x = 165,854,915.64
  5. Step 5: Solve for x
    x = 165,854,915.64/20,250.74
  6. Step 6: Final answer
    x = 8,190.07

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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.