Home / 18,210.74-27,310.68-8,209.76

Finding the Fourth Proportional to 18,210.74, 27,310.68 and 8,209.76

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Solution

The fourth proportional to 18,210.74, 27,310.68 and 8,209.76 is: 12,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.74 : 27,310.68 = 8,209.76 : x
  2. Step 2: Convert to fraction form
    18,210.74/27,310.68 = 8,209.76/x
  3. Step 3: Cross multiply
    18,210.74x = 27,310.68 × 8,209.76
  4. Step 4: Simplify right side
    18,210.74x = 224,213,991.68
  5. Step 5: Solve for x
    x = 224,213,991.68/18,210.74
  6. Step 6: Final answer
    x = 12,312.19

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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.