Home / 10,265.88-15,400.98-3,345.24

Finding the Fourth Proportional to 10,265.88, 15,400.98 and 3,345.24

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Solution

The fourth proportional to 10,265.88, 15,400.98 and 3,345.24 is: 5,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.88 : 15,400.98 = 3,345.24 : x
  2. Step 2: Convert to fraction form
    10,265.88/15,400.98 = 3,345.24/x
  3. Step 3: Cross multiply
    10,265.88x = 15,400.98 × 3,345.24
  4. Step 4: Simplify right side
    10,265.88x = 51,519,974.34
  5. Step 5: Solve for x
    x = 51,519,974.34/10,265.88
  6. Step 6: Final answer
    x = 5,018.56

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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.