Home / 23,114.56-31,911.80-15,170.68

Finding the Fourth Proportional to 23,114.56, 31,911.80 and 15,170.68

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Solution

The fourth proportional to 23,114.56, 31,911.80 and 15,170.68 is: 20,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,114.56 : 31,911.80 = 15,170.68 : x
  2. Step 2: Convert to fraction form
    23,114.56/31,911.80 = 15,170.68/x
  3. Step 3: Cross multiply
    23,114.56x = 31,911.80 × 15,170.68
  4. Step 4: Simplify right side
    23,114.56x = 484,123,706.02
  5. Step 5: Solve for x
    x = 484,123,706.02/23,114.56
  6. Step 6: Final answer
    x = 20,944.53

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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.