Home / 10,944.40-15,093.02-8,713.64

Finding the Fourth Proportional to 10,944.40, 15,093.02 and 8,713.64

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Solution

The fourth proportional to 10,944.40, 15,093.02 and 8,713.64 is: 12,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.40 : 15,093.02 = 8,713.64 : x
  2. Step 2: Convert to fraction form
    10,944.40/15,093.02 = 8,713.64/x
  3. Step 3: Cross multiply
    10,944.40x = 15,093.02 × 8,713.64
  4. Step 4: Simplify right side
    10,944.40x = 131,515,142.79
  5. Step 5: Solve for x
    x = 131,515,142.79/10,944.40
  6. Step 6: Final answer
    x = 12,016.66

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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.