Home / 11,873.28-16,380.90-7,625.28

Finding the Fourth Proportional to 11,873.28, 16,380.90 and 7,625.28

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Solution

The fourth proportional to 11,873.28, 16,380.90 and 7,625.28 is: 10,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.28 : 16,380.90 = 7,625.28 : x
  2. Step 2: Convert to fraction form
    11,873.28/16,380.90 = 7,625.28/x
  3. Step 3: Cross multiply
    11,873.28x = 16,380.90 × 7,625.28
  4. Step 4: Simplify right side
    11,873.28x = 124,908,949.15
  5. Step 5: Solve for x
    x = 124,908,949.15/11,873.28
  6. Step 6: Final answer
    x = 10,520.17

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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.