Home / 10,165.05-15,247.58-6,677.10

Finding the Fourth Proportional to 10,165.05, 15,247.58 and 6,677.10

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Solution

The fourth proportional to 10,165.05, 15,247.58 and 6,677.10 is: 10,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.05 : 15,247.58 = 6,677.10 : x
  2. Step 2: Convert to fraction form
    10,165.05/15,247.58 = 6,677.10/x
  3. Step 3: Cross multiply
    10,165.05x = 15,247.58 × 6,677.10
  4. Step 4: Simplify right side
    10,165.05x = 101,809,583.03
  5. Step 5: Solve for x
    x = 101,809,583.03/10,165.05
  6. Step 6: Final answer
    x = 10,015.65

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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.