Home / 16,215.75-22,377.75-8,763.75

Finding the Fourth Proportional to 16,215.75, 22,377.75 and 8,763.75

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Solution

The fourth proportional to 16,215.75, 22,377.75 and 8,763.75 is: 12,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.75 : 22,377.75 = 8,763.75 : x
  2. Step 2: Convert to fraction form
    16,215.75/22,377.75 = 8,763.75/x
  3. Step 3: Cross multiply
    16,215.75x = 22,377.75 × 8,763.75
  4. Step 4: Simplify right side
    16,215.75x = 196,113,006.56
  5. Step 5: Solve for x
    x = 196,113,006.56/16,215.75
  6. Step 6: Final answer
    x = 12,093.98

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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.