Home / 11,080.74-15,297.06-8,557.18

Finding the Fourth Proportional to 11,080.74, 15,297.06 and 8,557.18

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Solution

The fourth proportional to 11,080.74, 15,297.06 and 8,557.18 is: 11,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.74 : 15,297.06 = 8,557.18 : x
  2. Step 2: Convert to fraction form
    11,080.74/15,297.06 = 8,557.18/x
  3. Step 3: Cross multiply
    11,080.74x = 15,297.06 × 8,557.18
  4. Step 4: Simplify right side
    11,080.74x = 130,899,695.89
  5. Step 5: Solve for x
    x = 130,899,695.89/11,080.74
  6. Step 6: Final answer
    x = 11,813.26

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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.