Home / 16,400.19-22,630.23-9,229.23

Finding the Fourth Proportional to 16,400.19, 22,630.23 and 9,229.23

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Solution

The fourth proportional to 16,400.19, 22,630.23 and 9,229.23 is: 12,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.19 : 22,630.23 = 9,229.23 : x
  2. Step 2: Convert to fraction form
    16,400.19/22,630.23 = 9,229.23/x
  3. Step 3: Cross multiply
    16,400.19x = 22,630.23 × 9,229.23
  4. Step 4: Simplify right side
    16,400.19x = 208,859,597.62
  5. Step 5: Solve for x
    x = 208,859,597.62/16,400.19
  6. Step 6: Final answer
    x = 12,735.19

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Half scale
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Double scale
Find fourth proportional to 16,401.19, 22,631.61 and 9,230.23
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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.