Home / 10,440.98-15,661.26-2,543.54

Finding the Fourth Proportional to 10,440.98, 15,661.26 and 2,543.54

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Solution

The fourth proportional to 10,440.98, 15,661.26 and 2,543.54 is: 3,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.98 : 15,661.26 = 2,543.54 : x
  2. Step 2: Convert to fraction form
    10,440.98/15,661.26 = 2,543.54/x
  3. Step 3: Cross multiply
    10,440.98x = 15,661.26 × 2,543.54
  4. Step 4: Simplify right side
    10,440.98x = 39,835,041.26
  5. Step 5: Solve for x
    x = 39,835,041.26/10,440.98
  6. Step 6: Final answer
    x = 3,815.26

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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.