Home / 19,789.50-29,685.17-11,017.81

Finding the Fourth Proportional to 19,789.50, 29,685.17 and 11,017.81

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Solution

The fourth proportional to 19,789.50, 29,685.17 and 11,017.81 is: 16,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.50 : 29,685.17 = 11,017.81 : x
  2. Step 2: Convert to fraction form
    19,789.50/29,685.17 = 11,017.81/x
  3. Step 3: Cross multiply
    19,789.50x = 29,685.17 × 11,017.81
  4. Step 4: Simplify right side
    19,789.50x = 327,065,562.88
  5. Step 5: Solve for x
    x = 327,065,562.88/19,789.50
  6. Step 6: Final answer
    x = 16,527.23

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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.