Home / 11,909.80-17,854.62-4,510.18

Finding the Fourth Proportional to 11,909.80, 17,854.62 and 4,510.18

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Solution

The fourth proportional to 11,909.80, 17,854.62 and 4,510.18 is: 6,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.80 : 17,854.62 = 4,510.18 : x
  2. Step 2: Convert to fraction form
    11,909.80/17,854.62 = 4,510.18/x
  3. Step 3: Cross multiply
    11,909.80x = 17,854.62 × 4,510.18
  4. Step 4: Simplify right side
    11,909.80x = 80,527,550.03
  5. Step 5: Solve for x
    x = 80,527,550.03/11,909.80
  6. Step 6: Final answer
    x = 6,761.45

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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.