Home / 10,942.16-15,100.36-5,974.16

Finding the Fourth Proportional to 10,942.16, 15,100.36 and 5,974.16

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Solution

The fourth proportional to 10,942.16, 15,100.36 and 5,974.16 is: 8,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.16 : 15,100.36 = 5,974.16 : x
  2. Step 2: Convert to fraction form
    10,942.16/15,100.36 = 5,974.16/x
  3. Step 3: Cross multiply
    10,942.16x = 15,100.36 × 5,974.16
  4. Step 4: Simplify right side
    10,942.16x = 90,211,966.70
  5. Step 5: Solve for x
    x = 90,211,966.70/10,942.16
  6. Step 6: Final answer
    x = 8,244.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.