Home / 18,823.96-28,236.66-6,344.47

Finding the Fourth Proportional to 18,823.96, 28,236.66 and 6,344.47

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Solution

The fourth proportional to 18,823.96, 28,236.66 and 6,344.47 is: 9,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.96 : 28,236.66 = 6,344.47 : x
  2. Step 2: Convert to fraction form
    18,823.96/28,236.66 = 6,344.47/x
  3. Step 3: Cross multiply
    18,823.96x = 28,236.66 × 6,344.47
  4. Step 4: Simplify right side
    18,823.96x = 179,146,642.27
  5. Step 5: Solve for x
    x = 179,146,642.27/18,823.96
  6. Step 6: Final answer
    x = 9,516.95

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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.