Home / 11,052.26-15,257.78-8,528.72

Finding the Fourth Proportional to 11,052.26, 15,257.78 and 8,528.72

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Solution

The fourth proportional to 11,052.26, 15,257.78 and 8,528.72 is: 11,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.26 : 15,257.78 = 8,528.72 : x
  2. Step 2: Convert to fraction form
    11,052.26/15,257.78 = 8,528.72/x
  3. Step 3: Cross multiply
    11,052.26x = 15,257.78 × 8,528.72
  4. Step 4: Simplify right side
    11,052.26x = 130,129,333.44
  5. Step 5: Solve for x
    x = 130,129,333.44/11,052.26
  6. Step 6: Final answer
    x = 11,774.00

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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.