Home / 18,760.06-28,131.38-6,910.84

Finding the Fourth Proportional to 18,760.06, 28,131.38 and 6,910.84

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Solution

The fourth proportional to 18,760.06, 28,131.38 and 6,910.84 is: 10,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.06 : 28,131.38 = 6,910.84 : x
  2. Step 2: Convert to fraction form
    18,760.06/28,131.38 = 6,910.84/x
  3. Step 3: Cross multiply
    18,760.06x = 28,131.38 × 6,910.84
  4. Step 4: Simplify right side
    18,760.06x = 194,411,466.16
  5. Step 5: Solve for x
    x = 194,411,466.16/18,760.06
  6. Step 6: Final answer
    x = 10,363.05

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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.