Home / 10,082.51-15,118.99-3,507.87

Finding the Fourth Proportional to 10,082.51, 15,118.99 and 3,507.87

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Solution

The fourth proportional to 10,082.51, 15,118.99 and 3,507.87 is: 5,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.51 : 15,118.99 = 3,507.87 : x
  2. Step 2: Convert to fraction form
    10,082.51/15,118.99 = 3,507.87/x
  3. Step 3: Cross multiply
    10,082.51x = 15,118.99 × 3,507.87
  4. Step 4: Simplify right side
    10,082.51x = 53,035,442.68
  5. Step 5: Solve for x
    x = 53,035,442.68/10,082.51
  6. Step 6: Final answer
    x = 5,260.15

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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.