Home / 11,619.64-16,034.78-6,314.28

Finding the Fourth Proportional to 11,619.64, 16,034.78 and 6,314.28

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Solution

The fourth proportional to 11,619.64, 16,034.78 and 6,314.28 is: 8,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.64 : 16,034.78 = 6,314.28 : x
  2. Step 2: Convert to fraction form
    11,619.64/16,034.78 = 6,314.28/x
  3. Step 3: Cross multiply
    11,619.64x = 16,034.78 × 6,314.28
  4. Step 4: Simplify right side
    11,619.64x = 101,248,090.66
  5. Step 5: Solve for x
    x = 101,248,090.66/11,619.64
  6. Step 6: Final answer
    x = 8,713.53

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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.