Home / 10,387.98-14,336.67-5,912.82

Finding the Fourth Proportional to 10,387.98, 14,336.67 and 5,912.82

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Solution

The fourth proportional to 10,387.98, 14,336.67 and 5,912.82 is: 8,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.98 : 14,336.67 = 5,912.82 : x
  2. Step 2: Convert to fraction form
    10,387.98/14,336.67 = 5,912.82/x
  3. Step 3: Cross multiply
    10,387.98x = 14,336.67 × 5,912.82
  4. Step 4: Simplify right side
    10,387.98x = 84,770,149.11
  5. Step 5: Solve for x
    x = 84,770,149.11/10,387.98
  6. Step 6: Final answer
    x = 8,160.41

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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.