Home / 18,310.46-27,457.18-8,950.91

Finding the Fourth Proportional to 18,310.46, 27,457.18 and 8,950.91

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Solution

The fourth proportional to 18,310.46, 27,457.18 and 8,950.91 is: 13,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.46 : 27,457.18 = 8,950.91 : x
  2. Step 2: Convert to fraction form
    18,310.46/27,457.18 = 8,950.91/x
  3. Step 3: Cross multiply
    18,310.46x = 27,457.18 × 8,950.91
  4. Step 4: Simplify right side
    18,310.46x = 245,766,587.37
  5. Step 5: Solve for x
    x = 245,766,587.37/18,310.46
  6. Step 6: Final answer
    x = 13,422.20

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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.