Home / 10,418.40-15,625.26-3,021.24

Finding the Fourth Proportional to 10,418.40, 15,625.26 and 3,021.24

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Solution

The fourth proportional to 10,418.40, 15,625.26 and 3,021.24 is: 4,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.40 : 15,625.26 = 3,021.24 : x
  2. Step 2: Convert to fraction form
    10,418.40/15,625.26 = 3,021.24/x
  3. Step 3: Cross multiply
    10,418.40x = 15,625.26 × 3,021.24
  4. Step 4: Simplify right side
    10,418.40x = 47,207,660.52
  5. Step 5: Solve for x
    x = 47,207,660.52/10,418.40
  6. Step 6: Final answer
    x = 4,531.18

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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.