Home / 11,056.09-15,263.29-8,878.96

Finding the Fourth Proportional to 11,056.09, 15,263.29 and 8,878.96

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Solution

The fourth proportional to 11,056.09, 15,263.29 and 8,878.96 is: 12,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.09 : 15,263.29 = 8,878.96 : x
  2. Step 2: Convert to fraction form
    11,056.09/15,263.29 = 8,878.96/x
  3. Step 3: Cross multiply
    11,056.09x = 15,263.29 × 8,878.96
  4. Step 4: Simplify right side
    11,056.09x = 135,522,141.38
  5. Step 5: Solve for x
    x = 135,522,141.38/11,056.09
  6. Step 6: Final answer
    x = 12,257.69

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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.