Home / 18,401.06-27,579.98-8,519.46

Finding the Fourth Proportional to 18,401.06, 27,579.98 and 8,519.46

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Solution

The fourth proportional to 18,401.06, 27,579.98 and 8,519.46 is: 12,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.06 : 27,579.98 = 8,519.46 : x
  2. Step 2: Convert to fraction form
    18,401.06/27,579.98 = 8,519.46/x
  3. Step 3: Cross multiply
    18,401.06x = 27,579.98 × 8,519.46
  4. Step 4: Simplify right side
    18,401.06x = 234,966,536.41
  5. Step 5: Solve for x
    x = 234,966,536.41/18,401.06
  6. Step 6: Final answer
    x = 12,769.18

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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.