Home / 17,947.05-24,767.42-9,988.80

Finding the Fourth Proportional to 17,947.05, 24,767.42 and 9,988.80

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Solution

The fourth proportional to 17,947.05, 24,767.42 and 9,988.80 is: 13,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.05 : 24,767.42 = 9,988.80 : x
  2. Step 2: Convert to fraction form
    17,947.05/24,767.42 = 9,988.80/x
  3. Step 3: Cross multiply
    17,947.05x = 24,767.42 × 9,988.80
  4. Step 4: Simplify right side
    17,947.05x = 247,396,754.95
  5. Step 5: Solve for x
    x = 247,396,754.95/17,947.05
  6. Step 6: Final answer
    x = 13,784.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.