Home / 21,264.44-31,885.94-6,470.52

Finding the Fourth Proportional to 21,264.44, 31,885.94 and 6,470.52

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Solution

The fourth proportional to 21,264.44, 31,885.94 and 6,470.52 is: 9,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.44 : 31,885.94 = 6,470.52 : x
  2. Step 2: Convert to fraction form
    21,264.44/31,885.94 = 6,470.52/x
  3. Step 3: Cross multiply
    21,264.44x = 31,885.94 × 6,470.52
  4. Step 4: Simplify right side
    21,264.44x = 206,318,612.49
  5. Step 5: Solve for x
    x = 206,318,612.49/21,264.44
  6. Step 6: Final answer
    x = 9,702.52

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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.