Home / 12,756.75-17,596.36-8,770.95

Finding the Fourth Proportional to 12,756.75, 17,596.36 and 8,770.95

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Solution

The fourth proportional to 12,756.75, 17,596.36 and 8,770.95 is: 12,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.75 : 17,596.36 = 8,770.95 : x
  2. Step 2: Convert to fraction form
    12,756.75/17,596.36 = 8,770.95/x
  3. Step 3: Cross multiply
    12,756.75x = 17,596.36 × 8,770.95
  4. Step 4: Simplify right side
    12,756.75x = 154,336,793.74
  5. Step 5: Solve for x
    x = 154,336,793.74/12,756.75
  6. Step 6: Final answer
    x = 12,098.44

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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.