Home / 10,639.98-15,962.56-3,244.57

Finding the Fourth Proportional to 10,639.98, 15,962.56 and 3,244.57

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Solution

The fourth proportional to 10,639.98, 15,962.56 and 3,244.57 is: 4,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.98 : 15,962.56 = 3,244.57 : x
  2. Step 2: Convert to fraction form
    10,639.98/15,962.56 = 3,244.57/x
  3. Step 3: Cross multiply
    10,639.98x = 15,962.56 × 3,244.57
  4. Step 4: Simplify right side
    10,639.98x = 51,791,627.08
  5. Step 5: Solve for x
    x = 51,791,627.08/10,639.98
  6. Step 6: Final answer
    x = 4,867.64

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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.