Home / 22,277.39-30,740.85-12,205.62

Finding the Fourth Proportional to 22,277.39, 30,740.85 and 12,205.62

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Solution

The fourth proportional to 22,277.39, 30,740.85 and 12,205.62 is: 16,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.39 : 30,740.85 = 12,205.62 : x
  2. Step 2: Convert to fraction form
    22,277.39/30,740.85 = 12,205.62/x
  3. Step 3: Cross multiply
    22,277.39x = 30,740.85 × 12,205.62
  4. Step 4: Simplify right side
    22,277.39x = 375,211,133.58
  5. Step 5: Solve for x
    x = 375,211,133.58/22,277.39
  6. Step 6: Final answer
    x = 16,842.69

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Half scale
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Double 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.