Home / 14,680.32-20,260.56-8,393.28

Finding the Fourth Proportional to 14,680.32, 20,260.56 and 8,393.28

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Solution

The fourth proportional to 14,680.32, 20,260.56 and 8,393.28 is: 11,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.32 : 20,260.56 = 8,393.28 : x
  2. Step 2: Convert to fraction form
    14,680.32/20,260.56 = 8,393.28/x
  3. Step 3: Cross multiply
    14,680.32x = 20,260.56 × 8,393.28
  4. Step 4: Simplify right side
    14,680.32x = 170,052,553.04
  5. Step 5: Solve for x
    x = 170,052,553.04/14,680.32
  6. Step 6: Final answer
    x = 11,583.71

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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.