Home / 10,220.52-15,325.88-4,672.20

Finding the Fourth Proportional to 10,220.52, 15,325.88 and 4,672.20

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Solution

The fourth proportional to 10,220.52, 15,325.88 and 4,672.20 is: 7,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.52 : 15,325.88 = 4,672.20 : x
  2. Step 2: Convert to fraction form
    10,220.52/15,325.88 = 4,672.20/x
  3. Step 3: Cross multiply
    10,220.52x = 15,325.88 × 4,672.20
  4. Step 4: Simplify right side
    10,220.52x = 71,605,576.54
  5. Step 5: Solve for x
    x = 71,605,576.54/10,220.52
  6. Step 6: Final answer
    x = 7,006.06

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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.