Home / 10,915.88-16,374.54-3,995.24

Finding the Fourth Proportional to 10,915.88, 16,374.54 and 3,995.24

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Solution

The fourth proportional to 10,915.88, 16,374.54 and 3,995.24 is: 5,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.88 : 16,374.54 = 3,995.24 : x
  2. Step 2: Convert to fraction form
    10,915.88/16,374.54 = 3,995.24/x
  3. Step 3: Cross multiply
    10,915.88x = 16,374.54 × 3,995.24
  4. Step 4: Simplify right side
    10,915.88x = 65,420,217.19
  5. Step 5: Solve for x
    x = 65,420,217.19/10,915.88
  6. Step 6: Final answer
    x = 5,993.12

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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.