Home / 17,636.70-24,339.35-9,679.21

Finding the Fourth Proportional to 17,636.70, 24,339.35 and 9,679.21

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Solution

The fourth proportional to 17,636.70, 24,339.35 and 9,679.21 is: 13,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.70 : 24,339.35 = 9,679.21 : x
  2. Step 2: Convert to fraction form
    17,636.70/24,339.35 = 9,679.21/x
  3. Step 3: Cross multiply
    17,636.70x = 24,339.35 × 9,679.21
  4. Step 4: Simplify right side
    17,636.70x = 235,585,679.91
  5. Step 5: Solve for x
    x = 235,585,679.91/17,636.70
  6. Step 6: Final answer
    x = 13,357.70

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Half scale
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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.