Home / 9,191.23-13,775.90-6,402.80

Finding the Fourth Proportional to 9,191.23, 13,775.90 and 6,402.80

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Solution

The fourth proportional to 9,191.23, 13,775.90 and 6,402.80 is: 9,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.23 : 13,775.90 = 6,402.80 : x
  2. Step 2: Convert to fraction form
    9,191.23/13,775.90 = 6,402.80/x
  3. Step 3: Cross multiply
    9,191.23x = 13,775.90 × 6,402.80
  4. Step 4: Simplify right side
    9,191.23x = 88,204,334.95
  5. Step 5: Solve for x
    x = 88,204,334.95/9,191.23
  6. Step 6: Final answer
    x = 9,596.58

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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.