Home / 7,396.32-10,129.20-7,299.12

Finding the Fourth Proportional to 7,396.32, 10,129.20 and 7,299.12

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Solution

The fourth proportional to 7,396.32, 10,129.20 and 7,299.12 is: 9,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.32 : 10,129.20 = 7,299.12 : x
  2. Step 2: Convert to fraction form
    7,396.32/10,129.20 = 7,299.12/x
  3. Step 3: Cross multiply
    7,396.32x = 10,129.20 × 7,299.12
  4. Step 4: Simplify right side
    7,396.32x = 73,934,246.30
  5. Step 5: Solve for x
    x = 73,934,246.30/7,396.32
  6. Step 6: Final answer
    x = 9,996.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.