Home / 11,053.97-15,260.36-8,876.84

Finding the Fourth Proportional to 11,053.97, 15,260.36 and 8,876.84

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Solution

The fourth proportional to 11,053.97, 15,260.36 and 8,876.84 is: 12,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.97 : 15,260.36 = 8,876.84 : x
  2. Step 2: Convert to fraction form
    11,053.97/15,260.36 = 8,876.84/x
  3. Step 3: Cross multiply
    11,053.97x = 15,260.36 × 8,876.84
  4. Step 4: Simplify right side
    11,053.97x = 135,463,653.38
  5. Step 5: Solve for x
    x = 135,463,653.38/11,053.97
  6. Step 6: Final answer
    x = 12,254.75

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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.