Home / 18,283.02-27,387.99-8,408.76

Finding the Fourth Proportional to 18,283.02, 27,387.99 and 8,408.76

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Solution

The fourth proportional to 18,283.02, 27,387.99 and 8,408.76 is: 12,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.02 : 27,387.99 = 8,408.76 : x
  2. Step 2: Convert to fraction form
    18,283.02/27,387.99 = 8,408.76/x
  3. Step 3: Cross multiply
    18,283.02x = 27,387.99 × 8,408.76
  4. Step 4: Simplify right side
    18,283.02x = 230,299,034.79
  5. Step 5: Solve for x
    x = 230,299,034.79/18,283.02
  6. Step 6: Final answer
    x = 12,596.33

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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.