Home / 10,948.10-16,422.15-3,157.70

Finding the Fourth Proportional to 10,948.10, 16,422.15 and 3,157.70

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Solution

The fourth proportional to 10,948.10, 16,422.15 and 3,157.70 is: 4,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.10 : 16,422.15 = 3,157.70 : x
  2. Step 2: Convert to fraction form
    10,948.10/16,422.15 = 3,157.70/x
  3. Step 3: Cross multiply
    10,948.10x = 16,422.15 × 3,157.70
  4. Step 4: Simplify right side
    10,948.10x = 51,856,223.06
  5. Step 5: Solve for x
    x = 51,856,223.06/10,948.10
  6. Step 6: Final answer
    x = 4,736.55

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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.