Home / 22,912.49-31,619.18-13,959.99

Finding the Fourth Proportional to 22,912.49, 31,619.18 and 13,959.99

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Solution

The fourth proportional to 22,912.49, 31,619.18 and 13,959.99 is: 19,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,912.49 : 31,619.18 = 13,959.99 : x
  2. Step 2: Convert to fraction form
    22,912.49/31,619.18 = 13,959.99/x
  3. Step 3: Cross multiply
    22,912.49x = 31,619.18 × 13,959.99
  4. Step 4: Simplify right side
    22,912.49x = 441,403,436.61
  5. Step 5: Solve for x
    x = 441,403,436.61/22,912.49
  6. Step 6: Final answer
    x = 19,264.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.