Home / 15,020.40-22,512.60-6,250.80

Finding the Fourth Proportional to 15,020.40, 22,512.60 and 6,250.80

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Solution

The fourth proportional to 15,020.40, 22,512.60 and 6,250.80 is: 9,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.40 : 22,512.60 = 6,250.80 : x
  2. Step 2: Convert to fraction form
    15,020.40/22,512.60 = 6,250.80/x
  3. Step 3: Cross multiply
    15,020.40x = 22,512.60 × 6,250.80
  4. Step 4: Simplify right side
    15,020.40x = 140,721,760.08
  5. Step 5: Solve for x
    x = 140,721,760.08/15,020.40
  6. Step 6: Final answer
    x = 9,368.71

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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.