Home / 18,327.99-27,479.66-8,461.83

Finding the Fourth Proportional to 18,327.99, 27,479.66 and 8,461.83

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Solution

The fourth proportional to 18,327.99, 27,479.66 and 8,461.83 is: 12,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.99 : 27,479.66 = 8,461.83 : x
  2. Step 2: Convert to fraction form
    18,327.99/27,479.66 = 8,461.83/x
  3. Step 3: Cross multiply
    18,327.99x = 27,479.66 × 8,461.83
  4. Step 4: Simplify right side
    18,327.99x = 232,528,169.07
  5. Step 5: Solve for x
    x = 232,528,169.07/18,327.99
  6. Step 6: Final answer
    x = 12,687.05

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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.