Home / 19,517.28-29,280.42-6,369.54

Finding the Fourth Proportional to 19,517.28, 29,280.42 and 6,369.54

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Solution

The fourth proportional to 19,517.28, 29,280.42 and 6,369.54 is: 9,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.28 : 29,280.42 = 6,369.54 : x
  2. Step 2: Convert to fraction form
    19,517.28/29,280.42 = 6,369.54/x
  3. Step 3: Cross multiply
    19,517.28x = 29,280.42 × 6,369.54
  4. Step 4: Simplify right side
    19,517.28x = 186,502,806.41
  5. Step 5: Solve for x
    x = 186,502,806.41/19,517.28
  6. Step 6: Final answer
    x = 9,555.78

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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.