Home / 10,442.82-15,672.02-4,202.89

Finding the Fourth Proportional to 10,442.82, 15,672.02 and 4,202.89

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Solution

The fourth proportional to 10,442.82, 15,672.02 and 4,202.89 is: 6,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.82 : 15,672.02 = 4,202.89 : x
  2. Step 2: Convert to fraction form
    10,442.82/15,672.02 = 4,202.89/x
  3. Step 3: Cross multiply
    10,442.82x = 15,672.02 × 4,202.89
  4. Step 4: Simplify right side
    10,442.82x = 65,867,731.70
  5. Step 5: Solve for x
    x = 65,867,731.70/10,442.82
  6. Step 6: Final answer
    x = 6,307.46

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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.