Home / 18,226.12-27,339.36-5,079.46

Finding the Fourth Proportional to 18,226.12, 27,339.36 and 5,079.46

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Solution

The fourth proportional to 18,226.12, 27,339.36 and 5,079.46 is: 7,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.12 : 27,339.36 = 5,079.46 : x
  2. Step 2: Convert to fraction form
    18,226.12/27,339.36 = 5,079.46/x
  3. Step 3: Cross multiply
    18,226.12x = 27,339.36 × 5,079.46
  4. Step 4: Simplify right side
    18,226.12x = 138,869,185.55
  5. Step 5: Solve for x
    x = 138,869,185.55/18,226.12
  6. Step 6: Final answer
    x = 7,619.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.