Home / 18,390.12-27,586.92-5,244.36

Finding the Fourth Proportional to 18,390.12, 27,586.92 and 5,244.36

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Solution

The fourth proportional to 18,390.12, 27,586.92 and 5,244.36 is: 7,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.12 : 27,586.92 = 5,244.36 : x
  2. Step 2: Convert to fraction form
    18,390.12/27,586.92 = 5,244.36/x
  3. Step 3: Cross multiply
    18,390.12x = 27,586.92 × 5,244.36
  4. Step 4: Simplify right side
    18,390.12x = 144,675,739.77
  5. Step 5: Solve for x
    x = 144,675,739.77/18,390.12
  6. Step 6: Final answer
    x = 7,867.04

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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.