Home / 10,558.44-15,806.11-6,385.83

Finding the Fourth Proportional to 10,558.44, 15,806.11 and 6,385.83

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Solution

The fourth proportional to 10,558.44, 15,806.11 and 6,385.83 is: 9,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.44 : 15,806.11 = 6,385.83 : x
  2. Step 2: Convert to fraction form
    10,558.44/15,806.11 = 6,385.83/x
  3. Step 3: Cross multiply
    10,558.44x = 15,806.11 × 6,385.83
  4. Step 4: Simplify right side
    10,558.44x = 100,935,131.42
  5. Step 5: Solve for x
    x = 100,935,131.42/10,558.44
  6. Step 6: Final answer
    x = 9,559.66

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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.