Home / 12,294.21-18,441.32-5,269.66

Finding the Fourth Proportional to 12,294.21, 18,441.32 and 5,269.66

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Solution

The fourth proportional to 12,294.21, 18,441.32 and 5,269.66 is: 7,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.21 : 18,441.32 = 5,269.66 : x
  2. Step 2: Convert to fraction form
    12,294.21/18,441.32 = 5,269.66/x
  3. Step 3: Cross multiply
    12,294.21x = 18,441.32 × 5,269.66
  4. Step 4: Simplify right side
    12,294.21x = 97,179,486.35
  5. Step 5: Solve for x
    x = 97,179,486.35/12,294.21
  6. Step 6: Final answer
    x = 7,904.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.