Home / 10,504.24-15,759.20-3,931.08

Finding the Fourth Proportional to 10,504.24, 15,759.20 and 3,931.08

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Solution

The fourth proportional to 10,504.24, 15,759.20 and 3,931.08 is: 5,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.24 : 15,759.20 = 3,931.08 : x
  2. Step 2: Convert to fraction form
    10,504.24/15,759.20 = 3,931.08/x
  3. Step 3: Cross multiply
    10,504.24x = 15,759.20 × 3,931.08
  4. Step 4: Simplify right side
    10,504.24x = 61,950,675.94
  5. Step 5: Solve for x
    x = 61,950,675.94/10,504.24
  6. Step 6: Final answer
    x = 5,897.68

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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.