Home / 10,220.55-15,319.80-4,944.41

Finding the Fourth Proportional to 10,220.55, 15,319.80 and 4,944.41

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Solution

The fourth proportional to 10,220.55, 15,319.80 and 4,944.41 is: 7,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.55 : 15,319.80 = 4,944.41 : x
  2. Step 2: Convert to fraction form
    10,220.55/15,319.80 = 4,944.41/x
  3. Step 3: Cross multiply
    10,220.55x = 15,319.80 × 4,944.41
  4. Step 4: Simplify right side
    10,220.55x = 75,747,353.17
  5. Step 5: Solve for x
    x = 75,747,353.17/10,220.55
  6. Step 6: Final answer
    x = 7,411.28

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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.