Home / 15,671.82-23,471.15-13,608.75

Finding the Fourth Proportional to 15,671.82, 23,471.15 and 13,608.75

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Solution

The fourth proportional to 15,671.82, 23,471.15 and 13,608.75 is: 20,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.82 : 23,471.15 = 13,608.75 : x
  2. Step 2: Convert to fraction form
    15,671.82/23,471.15 = 13,608.75/x
  3. Step 3: Cross multiply
    15,671.82x = 23,471.15 × 13,608.75
  4. Step 4: Simplify right side
    15,671.82x = 319,412,944.52
  5. Step 5: Solve for x
    x = 319,412,944.52/15,671.82
  6. Step 6: Final answer
    x = 20,381.36

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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.