Home / 10,999.38-15,181.14-6,525.74

Finding the Fourth Proportional to 10,999.38, 15,181.14 and 6,525.74

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Solution

The fourth proportional to 10,999.38, 15,181.14 and 6,525.74 is: 9,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.38 : 15,181.14 = 6,525.74 : x
  2. Step 2: Convert to fraction form
    10,999.38/15,181.14 = 6,525.74/x
  3. Step 3: Cross multiply
    10,999.38x = 15,181.14 × 6,525.74
  4. Step 4: Simplify right side
    10,999.38x = 99,068,172.54
  5. Step 5: Solve for x
    x = 99,068,172.54/10,999.38
  6. Step 6: Final answer
    x = 9,006.71

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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.