Home / 18,291.12-27,434.34-5,144.46

Finding the Fourth Proportional to 18,291.12, 27,434.34 and 5,144.46

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Solution

The fourth proportional to 18,291.12, 27,434.34 and 5,144.46 is: 7,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.12 : 27,434.34 = 5,144.46 : x
  2. Step 2: Convert to fraction form
    18,291.12/27,434.34 = 5,144.46/x
  3. Step 3: Cross multiply
    18,291.12x = 27,434.34 × 5,144.46
  4. Step 4: Simplify right side
    18,291.12x = 141,134,864.76
  5. Step 5: Solve for x
    x = 141,134,864.76/18,291.12
  6. Step 6: Final answer
    x = 7,716.03

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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.