Home / 17,986.80-26,963.76-9,672.48

Finding the Fourth Proportional to 17,986.80, 26,963.76 and 9,672.48

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Solution

The fourth proportional to 17,986.80, 26,963.76 and 9,672.48 is: 14,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.80 : 26,963.76 = 9,672.48 : x
  2. Step 2: Convert to fraction form
    17,986.80/26,963.76 = 9,672.48/x
  3. Step 3: Cross multiply
    17,986.80x = 26,963.76 × 9,672.48
  4. Step 4: Simplify right side
    17,986.80x = 260,806,429.32
  5. Step 5: Solve for x
    x = 260,806,429.32/17,986.80
  6. Step 6: Final answer
    x = 14,499.88

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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.