Home / 10,948.50-16,422.84-3,157.38

Finding the Fourth Proportional to 10,948.50, 16,422.84 and 3,157.38

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Solution

The fourth proportional to 10,948.50, 16,422.84 and 3,157.38 is: 4,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.50 : 16,422.84 = 3,157.38 : x
  2. Step 2: Convert to fraction form
    10,948.50/16,422.84 = 3,157.38/x
  3. Step 3: Cross multiply
    10,948.50x = 16,422.84 × 3,157.38
  4. Step 4: Simplify right side
    10,948.50x = 51,853,146.56
  5. Step 5: Solve for x
    x = 51,853,146.56/10,948.50
  6. Step 6: Final answer
    x = 4,736.10

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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.