Home / 10,894.73-16,340.12-2,889.55

Finding the Fourth Proportional to 10,894.73, 16,340.12 and 2,889.55

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Solution

The fourth proportional to 10,894.73, 16,340.12 and 2,889.55 is: 4,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.73 : 16,340.12 = 2,889.55 : x
  2. Step 2: Convert to fraction form
    10,894.73/16,340.12 = 2,889.55/x
  3. Step 3: Cross multiply
    10,894.73x = 16,340.12 × 2,889.55
  4. Step 4: Simplify right side
    10,894.73x = 47,215,560.12
  5. Step 5: Solve for x
    x = 47,215,560.12/10,894.73
  6. Step 6: Final answer
    x = 4,333.80

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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.