Home / 11,448.32-15,799.20-8,960

Finding the Fourth Proportional to 11,448.32, 15,799.20 and 8,960

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Solution

The fourth proportional to 11,448.32, 15,799.20 and 8,960 is: 12,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.32 : 15,799.20 = 8,960 : x
  2. Step 2: Convert to fraction form
    11,448.32/15,799.20 = 8,960/x
  3. Step 3: Cross multiply
    11,448.32x = 15,799.20 × 8,960
  4. Step 4: Simplify right side
    11,448.32x = 141,560,832
  5. Step 5: Solve for x
    x = 141,560,832/11,448.32
  6. Step 6: Final answer
    x = 12,365.21

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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.