Home / 10,739.68-16,108-3,342.40

Finding the Fourth Proportional to 10,739.68, 16,108 and 3,342.40

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Solution

The fourth proportional to 10,739.68, 16,108 and 3,342.40 is: 5,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.68 : 16,108 = 3,342.40 : x
  2. Step 2: Convert to fraction form
    10,739.68/16,108 = 3,342.40/x
  3. Step 3: Cross multiply
    10,739.68x = 16,108 × 3,342.40
  4. Step 4: Simplify right side
    10,739.68x = 53,839,379.20
  5. Step 5: Solve for x
    x = 53,839,379.20/10,739.68
  6. Step 6: Final answer
    x = 5,013.13

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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.