Home / 10,813.70-16,227.38-4,239.71

Finding the Fourth Proportional to 10,813.70, 16,227.38 and 4,239.71

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Solution

The fourth proportional to 10,813.70, 16,227.38 and 4,239.71 is: 6,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.70 : 16,227.38 = 4,239.71 : x
  2. Step 2: Convert to fraction form
    10,813.70/16,227.38 = 4,239.71/x
  3. Step 3: Cross multiply
    10,813.70x = 16,227.38 × 4,239.71
  4. Step 4: Simplify right side
    10,813.70x = 68,799,385.26
  5. Step 5: Solve for x
    x = 68,799,385.26/10,813.70
  6. Step 6: Final answer
    x = 6,362.25

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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.