Home / 18,169.36-27,215.74-8,316.92

Finding the Fourth Proportional to 18,169.36, 27,215.74 and 8,316.92

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Solution

The fourth proportional to 18,169.36, 27,215.74 and 8,316.92 is: 12,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.36 : 27,215.74 = 8,316.92 : x
  2. Step 2: Convert to fraction form
    18,169.36/27,215.74 = 8,316.92/x
  3. Step 3: Cross multiply
    18,169.36x = 27,215.74 × 8,316.92
  4. Step 4: Simplify right side
    18,169.36x = 226,351,132.32
  5. Step 5: Solve for x
    x = 226,351,132.32/18,169.36
  6. Step 6: Final answer
    x = 12,457.85

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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.