Home / 11,339.57-17,010.90-3,943.08

Finding the Fourth Proportional to 11,339.57, 17,010.90 and 3,943.08

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Solution

The fourth proportional to 11,339.57, 17,010.90 and 3,943.08 is: 5,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.57 : 17,010.90 = 3,943.08 : x
  2. Step 2: Convert to fraction form
    11,339.57/17,010.90 = 3,943.08/x
  3. Step 3: Cross multiply
    11,339.57x = 17,010.90 × 3,943.08
  4. Step 4: Simplify right side
    11,339.57x = 67,075,234.80
  5. Step 5: Solve for x
    x = 67,075,234.80/11,339.57
  6. Step 6: Final answer
    x = 5,915.15

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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.