Home / 18,212.27-27,298.97-13,002.35

Finding the Fourth Proportional to 18,212.27, 27,298.97 and 13,002.35

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Solution

The fourth proportional to 18,212.27, 27,298.97 and 13,002.35 is: 19,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.27 : 27,298.97 = 13,002.35 : x
  2. Step 2: Convert to fraction form
    18,212.27/27,298.97 = 13,002.35/x
  3. Step 3: Cross multiply
    18,212.27x = 27,298.97 × 13,002.35
  4. Step 4: Simplify right side
    18,212.27x = 354,950,762.58
  5. Step 5: Solve for x
    x = 354,950,762.58/18,212.27
  6. Step 6: Final answer
    x = 19,489.65

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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.