Home / 21,264.06-31,894.80-9,414.38

Finding the Fourth Proportional to 21,264.06, 31,894.80 and 9,414.38

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Solution

The fourth proportional to 21,264.06, 31,894.80 and 9,414.38 is: 14,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.06 : 31,894.80 = 9,414.38 : x
  2. Step 2: Convert to fraction form
    21,264.06/31,894.80 = 9,414.38/x
  3. Step 3: Cross multiply
    21,264.06x = 31,894.80 × 9,414.38
  4. Step 4: Simplify right side
    21,264.06x = 300,269,671.97
  5. Step 5: Solve for x
    x = 300,269,671.97/21,264.06
  6. Step 6: Final answer
    x = 14,120.99

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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.