Home / 11,214.30-15,465.34-8,184.62

Finding the Fourth Proportional to 11,214.30, 15,465.34 and 8,184.62

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Solution

The fourth proportional to 11,214.30, 15,465.34 and 8,184.62 is: 11,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.30 : 15,465.34 = 8,184.62 : x
  2. Step 2: Convert to fraction form
    11,214.30/15,465.34 = 8,184.62/x
  3. Step 3: Cross multiply
    11,214.30x = 15,465.34 × 8,184.62
  4. Step 4: Simplify right side
    11,214.30x = 126,577,969.73
  5. Step 5: Solve for x
    x = 126,577,969.73/11,214.30
  6. Step 6: Final answer
    x = 11,287.19

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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.