Home / 19,909.26-29,862.90-6,761.70

Finding the Fourth Proportional to 19,909.26, 29,862.90 and 6,761.70

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Solution

The fourth proportional to 19,909.26, 29,862.90 and 6,761.70 is: 10,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.26 : 29,862.90 = 6,761.70 : x
  2. Step 2: Convert to fraction form
    19,909.26/29,862.90 = 6,761.70/x
  3. Step 3: Cross multiply
    19,909.26x = 29,862.90 × 6,761.70
  4. Step 4: Simplify right side
    19,909.26x = 201,923,970.93
  5. Step 5: Solve for x
    x = 201,923,970.93/19,909.26
  6. Step 6: Final answer
    x = 10,142.21

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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.