Home / 15,849.42-23,739.06-10,839.90

Finding the Fourth Proportional to 15,849.42, 23,739.06 and 10,839.90

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Solution

The fourth proportional to 15,849.42, 23,739.06 and 10,839.90 is: 16,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.42 : 23,739.06 = 10,839.90 : x
  2. Step 2: Convert to fraction form
    15,849.42/23,739.06 = 10,839.90/x
  3. Step 3: Cross multiply
    15,849.42x = 23,739.06 × 10,839.90
  4. Step 4: Simplify right side
    15,849.42x = 257,329,036.49
  5. Step 5: Solve for x
    x = 257,329,036.49/15,849.42
  6. Step 6: Final answer
    x = 16,235.86

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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.