Home / 11,685.24-17,517.43-4,287.98

Finding the Fourth Proportional to 11,685.24, 17,517.43 and 4,287.98

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Solution

The fourth proportional to 11,685.24, 17,517.43 and 4,287.98 is: 6,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.24 : 17,517.43 = 4,287.98 : x
  2. Step 2: Convert to fraction form
    11,685.24/17,517.43 = 4,287.98/x
  3. Step 3: Cross multiply
    11,685.24x = 17,517.43 × 4,287.98
  4. Step 4: Simplify right side
    11,685.24x = 75,114,389.49
  5. Step 5: Solve for x
    x = 75,114,389.49/11,685.24
  6. Step 6: Final answer
    x = 6,428.14

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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.