Home / 18,936.27-28,406.85-6,452.95

Finding the Fourth Proportional to 18,936.27, 28,406.85 and 6,452.95

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Solution

The fourth proportional to 18,936.27, 28,406.85 and 6,452.95 is: 9,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.27 : 28,406.85 = 6,452.95 : x
  2. Step 2: Convert to fraction form
    18,936.27/28,406.85 = 6,452.95/x
  3. Step 3: Cross multiply
    18,936.27x = 28,406.85 × 6,452.95
  4. Step 4: Simplify right side
    18,936.27x = 183,307,982.71
  5. Step 5: Solve for x
    x = 183,307,982.71/18,936.27
  6. Step 6: Final answer
    x = 9,680.26

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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.