Home / 19,591.38-27,058.55-12,906.90

Finding the Fourth Proportional to 19,591.38, 27,058.55 and 12,906.90

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Solution

The fourth proportional to 19,591.38, 27,058.55 and 12,906.90 is: 17,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.38 : 27,058.55 = 12,906.90 : x
  2. Step 2: Convert to fraction form
    19,591.38/27,058.55 = 12,906.90/x
  3. Step 3: Cross multiply
    19,591.38x = 27,058.55 × 12,906.90
  4. Step 4: Simplify right side
    19,591.38x = 349,241,934.46
  5. Step 5: Solve for x
    x = 349,241,934.46/19,591.38
  6. Step 6: Final answer
    x = 17,826.31

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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.