Home / 10,770.84-16,151.22-6,388.92

Finding the Fourth Proportional to 10,770.84, 16,151.22 and 6,388.92

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Solution

The fourth proportional to 10,770.84, 16,151.22 and 6,388.92 is: 9,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.84 : 16,151.22 = 6,388.92 : x
  2. Step 2: Convert to fraction form
    10,770.84/16,151.22 = 6,388.92/x
  3. Step 3: Cross multiply
    10,770.84x = 16,151.22 × 6,388.92
  4. Step 4: Simplify right side
    10,770.84x = 103,188,852.48
  5. Step 5: Solve for x
    x = 103,188,852.48/10,770.84
  6. Step 6: Final answer
    x = 9,580.39

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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.