Home / 17,964.80-26,947.20-9,641.60

Finding the Fourth Proportional to 17,964.80, 26,947.20 and 9,641.60

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Solution

The fourth proportional to 17,964.80, 26,947.20 and 9,641.60 is: 14,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.80 : 26,947.20 = 9,641.60 : x
  2. Step 2: Convert to fraction form
    17,964.80/26,947.20 = 9,641.60/x
  3. Step 3: Cross multiply
    17,964.80x = 26,947.20 × 9,641.60
  4. Step 4: Simplify right side
    17,964.80x = 259,814,123.52
  5. Step 5: Solve for x
    x = 259,814,123.52/17,964.80
  6. Step 6: Final answer
    x = 14,462.40

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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.