Home / 15,863.20-23,805.56-8,472.96

Finding the Fourth Proportional to 15,863.20, 23,805.56 and 8,472.96

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Solution

The fourth proportional to 15,863.20, 23,805.56 and 8,472.96 is: 12,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.20 : 23,805.56 = 8,472.96 : x
  2. Step 2: Convert to fraction form
    15,863.20/23,805.56 = 8,472.96/x
  3. Step 3: Cross multiply
    15,863.20x = 23,805.56 × 8,472.96
  4. Step 4: Simplify right side
    15,863.20x = 201,703,578.84
  5. Step 5: Solve for x
    x = 201,703,578.84/15,863.20
  6. Step 6: Final answer
    x = 12,715.19

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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.