Home / 18,341.19-25,310.84-9,957.69

Finding the Fourth Proportional to 18,341.19, 25,310.84 and 9,957.69

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Solution

The fourth proportional to 18,341.19, 25,310.84 and 9,957.69 is: 13,741.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.19 : 25,310.84 = 9,957.69 : x
  2. Step 2: Convert to fraction form
    18,341.19/25,310.84 = 9,957.69/x
  3. Step 3: Cross multiply
    18,341.19x = 25,310.84 × 9,957.69
  4. Step 4: Simplify right side
    18,341.19x = 252,037,435.08
  5. Step 5: Solve for x
    x = 252,037,435.08/18,341.19
  6. Step 6: Final answer
    x = 13,741.61

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Half scale
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Double scale
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Similar ratio
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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.