Home / 10,912.59-16,371.45-4,339.44

Finding the Fourth Proportional to 10,912.59, 16,371.45 and 4,339.44

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Solution

The fourth proportional to 10,912.59, 16,371.45 and 4,339.44 is: 6,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.59 : 16,371.45 = 4,339.44 : x
  2. Step 2: Convert to fraction form
    10,912.59/16,371.45 = 4,339.44/x
  3. Step 3: Cross multiply
    10,912.59x = 16,371.45 × 4,339.44
  4. Step 4: Simplify right side
    10,912.59x = 71,042,924.99
  5. Step 5: Solve for x
    x = 71,042,924.99/10,912.59
  6. Step 6: Final answer
    x = 6,510.18

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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.