Home / 19,963.80-27,561.33-13,260.92

Finding the Fourth Proportional to 19,963.80, 27,561.33 and 13,260.92

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Solution

The fourth proportional to 19,963.80, 27,561.33 and 13,260.92 is: 18,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.80 : 27,561.33 = 13,260.92 : x
  2. Step 2: Convert to fraction form
    19,963.80/27,561.33 = 13,260.92/x
  3. Step 3: Cross multiply
    19,963.80x = 27,561.33 × 13,260.92
  4. Step 4: Simplify right side
    19,963.80x = 365,488,454.42
  5. Step 5: Solve for x
    x = 365,488,454.42/19,963.80
  6. Step 6: Final answer
    x = 18,307.56

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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.