Home / 10,631.87-15,937.39-3,963.49

Finding the Fourth Proportional to 10,631.87, 15,937.39 and 3,963.49

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Solution

The fourth proportional to 10,631.87, 15,937.39 and 3,963.49 is: 5,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.87 : 15,937.39 = 3,963.49 : x
  2. Step 2: Convert to fraction form
    10,631.87/15,937.39 = 3,963.49/x
  3. Step 3: Cross multiply
    10,631.87x = 15,937.39 × 3,963.49
  4. Step 4: Simplify right side
    10,631.87x = 63,167,685.89
  5. Step 5: Solve for x
    x = 63,167,685.89/10,631.87
  6. Step 6: Final answer
    x = 5,941.35

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1.5x scale

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.