Home / 17,660.72-24,371.52-9,702.80

Finding the Fourth Proportional to 17,660.72, 24,371.52 and 9,702.80

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Solution

The fourth proportional to 17,660.72, 24,371.52 and 9,702.80 is: 13,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.72 : 24,371.52 = 9,702.80 : x
  2. Step 2: Convert to fraction form
    17,660.72/24,371.52 = 9,702.80/x
  3. Step 3: Cross multiply
    17,660.72x = 24,371.52 × 9,702.80
  4. Step 4: Simplify right side
    17,660.72x = 236,471,984.26
  5. Step 5: Solve for x
    x = 236,471,984.26/17,660.72
  6. Step 6: Final answer
    x = 13,389.71

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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.