Home / 13,330.68-18,392.94-9,074.04

Finding the Fourth Proportional to 13,330.68, 18,392.94 and 9,074.04

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Solution

The fourth proportional to 13,330.68, 18,392.94 and 9,074.04 is: 12,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.68 : 18,392.94 = 9,074.04 : x
  2. Step 2: Convert to fraction form
    13,330.68/18,392.94 = 9,074.04/x
  3. Step 3: Cross multiply
    13,330.68x = 18,392.94 × 9,074.04
  4. Step 4: Simplify right side
    13,330.68x = 166,898,273.28
  5. Step 5: Solve for x
    x = 166,898,273.28/13,330.68
  6. Step 6: Final answer
    x = 12,519.86

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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.