Home / 19,789.40-29,684.98-11,017.72

Finding the Fourth Proportional to 19,789.40, 29,684.98 and 11,017.72

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Solution

The fourth proportional to 19,789.40, 29,684.98 and 11,017.72 is: 16,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.40 : 29,684.98 = 11,017.72 : x
  2. Step 2: Convert to fraction form
    19,789.40/29,684.98 = 11,017.72/x
  3. Step 3: Cross multiply
    19,789.40x = 29,684.98 × 11,017.72
  4. Step 4: Simplify right side
    19,789.40x = 327,060,797.85
  5. Step 5: Solve for x
    x = 327,060,797.85/19,789.40
  6. Step 6: Final answer
    x = 16,527.07

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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.