Home / 19,561.52-29,327.70-13,305.80

Finding the Fourth Proportional to 19,561.52, 29,327.70 and 13,305.80

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Solution

The fourth proportional to 19,561.52, 29,327.70 and 13,305.80 is: 19,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.52 : 29,327.70 = 13,305.80 : x
  2. Step 2: Convert to fraction form
    19,561.52/29,327.70 = 13,305.80/x
  3. Step 3: Cross multiply
    19,561.52x = 29,327.70 × 13,305.80
  4. Step 4: Simplify right side
    19,561.52x = 390,228,510.66
  5. Step 5: Solve for x
    x = 390,228,510.66/19,561.52
  6. Step 6: Final answer
    x = 19,948.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.