Home / 17,947.40-24,764.46-9,989.42

Finding the Fourth Proportional to 17,947.40, 24,764.46 and 9,989.42

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Solution

The fourth proportional to 17,947.40, 24,764.46 and 9,989.42 is: 13,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.40 : 24,764.46 = 9,989.42 : x
  2. Step 2: Convert to fraction form
    17,947.40/24,764.46 = 9,989.42/x
  3. Step 3: Cross multiply
    17,947.40x = 24,764.46 × 9,989.42
  4. Step 4: Simplify right side
    17,947.40x = 247,382,592.01
  5. Step 5: Solve for x
    x = 247,382,592.01/17,947.40
  6. Step 6: Final answer
    x = 13,783.76

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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.