Home / 19,865.27-27,414.10-10,912.95

Finding the Fourth Proportional to 19,865.27, 27,414.10 and 10,912.95

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Solution

The fourth proportional to 19,865.27, 27,414.10 and 10,912.95 is: 15,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.27 : 27,414.10 = 10,912.95 : x
  2. Step 2: Convert to fraction form
    19,865.27/27,414.10 = 10,912.95/x
  3. Step 3: Cross multiply
    19,865.27x = 27,414.10 × 10,912.95
  4. Step 4: Simplify right side
    19,865.27x = 299,168,702.60
  5. Step 5: Solve for x
    x = 299,168,702.60/19,865.27
  6. Step 6: Final answer
    x = 15,059.89

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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.