Home / 21,253.17-31,881.54-6,462.22

Finding the Fourth Proportional to 21,253.17, 31,881.54 and 6,462.22

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Solution

The fourth proportional to 21,253.17, 31,881.54 and 6,462.22 is: 9,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,253.17 : 31,881.54 = 6,462.22 : x
  2. Step 2: Convert to fraction form
    21,253.17/31,881.54 = 6,462.22/x
  3. Step 3: Cross multiply
    21,253.17x = 31,881.54 × 6,462.22
  4. Step 4: Simplify right side
    21,253.17x = 206,025,359.95
  5. Step 5: Solve for x
    x = 206,025,359.95/21,253.17
  6. Step 6: Final answer
    x = 9,693.87

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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.