Home / 9,119.59-13,679.38-7,042.62

Finding the Fourth Proportional to 9,119.59, 13,679.38 and 7,042.62

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Solution

The fourth proportional to 9,119.59, 13,679.38 and 7,042.62 is: 10,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.59 : 13,679.38 = 7,042.62 : x
  2. Step 2: Convert to fraction form
    9,119.59/13,679.38 = 7,042.62/x
  3. Step 3: Cross multiply
    9,119.59x = 13,679.38 × 7,042.62
  4. Step 4: Simplify right side
    9,119.59x = 96,338,675.18
  5. Step 5: Solve for x
    x = 96,338,675.18/9,119.59
  6. Step 6: Final answer
    x = 10,563.93

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