Home / 19,414.49-26,790.48-10,915.02

Finding the Fourth Proportional to 19,414.49, 26,790.48 and 10,915.02

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Solution

The fourth proportional to 19,414.49, 26,790.48 and 10,915.02 is: 15,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.49 : 26,790.48 = 10,915.02 : x
  2. Step 2: Convert to fraction form
    19,414.49/26,790.48 = 10,915.02/x
  3. Step 3: Cross multiply
    19,414.49x = 26,790.48 × 10,915.02
  4. Step 4: Simplify right side
    19,414.49x = 292,418,625.01
  5. Step 5: Solve for x
    x = 292,418,625.01/19,414.49
  6. Step 6: Final answer
    x = 15,061.88

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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.