Home / 16,278.56-22,460.64-11,247.20

Finding the Fourth Proportional to 16,278.56, 22,460.64 and 11,247.20

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Solution

The fourth proportional to 16,278.56, 22,460.64 and 11,247.20 is: 15,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.56 : 22,460.64 = 11,247.20 : x
  2. Step 2: Convert to fraction form
    16,278.56/22,460.64 = 11,247.20/x
  3. Step 3: Cross multiply
    16,278.56x = 22,460.64 × 11,247.20
  4. Step 4: Simplify right side
    16,278.56x = 252,619,310.21
  5. Step 5: Solve for x
    x = 252,619,310.21/16,278.56
  6. Step 6: Final answer
    x = 15,518.53

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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.