Home / 10,642.19-15,960.24-5,090.04

Finding the Fourth Proportional to 10,642.19, 15,960.24 and 5,090.04

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Solution

The fourth proportional to 10,642.19, 15,960.24 and 5,090.04 is: 7,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.19 : 15,960.24 = 5,090.04 : x
  2. Step 2: Convert to fraction form
    10,642.19/15,960.24 = 5,090.04/x
  3. Step 3: Cross multiply
    10,642.19x = 15,960.24 × 5,090.04
  4. Step 4: Simplify right side
    10,642.19x = 81,238,260.01
  5. Step 5: Solve for x
    x = 81,238,260.01/10,642.19
  6. Step 6: Final answer
    x = 7,633.61

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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.