Home / 10,867.50-16,301.25-3,943.62

Finding the Fourth Proportional to 10,867.50, 16,301.25 and 3,943.62

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Solution

The fourth proportional to 10,867.50, 16,301.25 and 3,943.62 is: 5,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.50 : 16,301.25 = 3,943.62 : x
  2. Step 2: Convert to fraction form
    10,867.50/16,301.25 = 3,943.62/x
  3. Step 3: Cross multiply
    10,867.50x = 16,301.25 × 3,943.62
  4. Step 4: Simplify right side
    10,867.50x = 64,285,935.53
  5. Step 5: Solve for x
    x = 64,285,935.53/10,867.50
  6. Step 6: Final answer
    x = 5,915.43

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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.