Home / 10,517.85-15,777.59-6,137.37

Finding the Fourth Proportional to 10,517.85, 15,777.59 and 6,137.37

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Solution

The fourth proportional to 10,517.85, 15,777.59 and 6,137.37 is: 9,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.85 : 15,777.59 = 6,137.37 : x
  2. Step 2: Convert to fraction form
    10,517.85/15,777.59 = 6,137.37/x
  3. Step 3: Cross multiply
    10,517.85x = 15,777.59 × 6,137.37
  4. Step 4: Simplify right side
    10,517.85x = 96,832,876.85
  5. Step 5: Solve for x
    x = 96,832,876.85/10,517.85
  6. Step 6: Final answer
    x = 9,206.53

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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.