Home / 17,947.76-24,767.60-9,989.76

Finding the Fourth Proportional to 17,947.76, 24,767.60 and 9,989.76

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Solution

The fourth proportional to 17,947.76, 24,767.60 and 9,989.76 is: 13,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.76 : 24,767.60 = 9,989.76 : x
  2. Step 2: Convert to fraction form
    17,947.76/24,767.60 = 9,989.76/x
  3. Step 3: Cross multiply
    17,947.76x = 24,767.60 × 9,989.76
  4. Step 4: Simplify right side
    17,947.76x = 247,422,379.78
  5. Step 5: Solve for x
    x = 247,422,379.78/17,947.76
  6. Step 6: Final answer
    x = 13,785.70

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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.