Home / 19,517.09-29,280.29-6,369.48

Finding the Fourth Proportional to 19,517.09, 29,280.29 and 6,369.48

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Solution

The fourth proportional to 19,517.09, 29,280.29 and 6,369.48 is: 9,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.09 : 29,280.29 = 6,369.48 : x
  2. Step 2: Convert to fraction form
    19,517.09/29,280.29 = 6,369.48/x
  3. Step 3: Cross multiply
    19,517.09x = 29,280.29 × 6,369.48
  4. Step 4: Simplify right side
    19,517.09x = 186,500,189.70
  5. Step 5: Solve for x
    x = 186,500,189.70/19,517.09
  6. Step 6: Final answer
    x = 9,555.74

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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.