Home / 10,333.16-15,503.88-3,759.80

Finding the Fourth Proportional to 10,333.16, 15,503.88 and 3,759.80

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Solution

The fourth proportional to 10,333.16, 15,503.88 and 3,759.80 is: 5,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.16 : 15,503.88 = 3,759.80 : x
  2. Step 2: Convert to fraction form
    10,333.16/15,503.88 = 3,759.80/x
  3. Step 3: Cross multiply
    10,333.16x = 15,503.88 × 3,759.80
  4. Step 4: Simplify right side
    10,333.16x = 58,291,488.02
  5. Step 5: Solve for x
    x = 58,291,488.02/10,333.16
  6. Step 6: Final answer
    x = 5,641.21

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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.