Home / 11,287.55-15,576.94-6,810.44

Finding the Fourth Proportional to 11,287.55, 15,576.94 and 6,810.44

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Solution

The fourth proportional to 11,287.55, 15,576.94 and 6,810.44 is: 9,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.55 : 15,576.94 = 6,810.44 : x
  2. Step 2: Convert to fraction form
    11,287.55/15,576.94 = 6,810.44/x
  3. Step 3: Cross multiply
    11,287.55x = 15,576.94 × 6,810.44
  4. Step 4: Simplify right side
    11,287.55x = 106,085,759.29
  5. Step 5: Solve for x
    x = 106,085,759.29/11,287.55
  6. Step 6: Final answer
    x = 9,398.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.