Home / 21,233.24-31,850.10-6,442.04

Finding the Fourth Proportional to 21,233.24, 31,850.10 and 6,442.04

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Solution

The fourth proportional to 21,233.24, 31,850.10 and 6,442.04 is: 9,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.24 : 31,850.10 = 6,442.04 : x
  2. Step 2: Convert to fraction form
    21,233.24/31,850.10 = 6,442.04/x
  3. Step 3: Cross multiply
    21,233.24x = 31,850.10 × 6,442.04
  4. Step 4: Simplify right side
    21,233.24x = 205,179,618.20
  5. Step 5: Solve for x
    x = 205,179,618.20/21,233.24
  6. Step 6: Final answer
    x = 9,663.13

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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.