Home / 11,085.64-15,285.78-9,062.74

Finding the Fourth Proportional to 11,085.64, 15,285.78 and 9,062.74

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Solution

The fourth proportional to 11,085.64, 15,285.78 and 9,062.74 is: 12,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.64 : 15,285.78 = 9,062.74 : x
  2. Step 2: Convert to fraction form
    11,085.64/15,285.78 = 9,062.74/x
  3. Step 3: Cross multiply
    11,085.64x = 15,285.78 × 9,062.74
  4. Step 4: Simplify right side
    11,085.64x = 138,531,049.84
  5. Step 5: Solve for x
    x = 138,531,049.84/11,085.64
  6. Step 6: Final answer
    x = 12,496.44

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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.