Home / 10,911.36-16,366.11-4,335.78

Finding the Fourth Proportional to 10,911.36, 16,366.11 and 4,335.78

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Solution

The fourth proportional to 10,911.36, 16,366.11 and 4,335.78 is: 6,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.36 : 16,366.11 = 4,335.78 : x
  2. Step 2: Convert to fraction form
    10,911.36/16,366.11 = 4,335.78/x
  3. Step 3: Cross multiply
    10,911.36x = 16,366.11 × 4,335.78
  4. Step 4: Simplify right side
    10,911.36x = 70,959,852.42
  5. Step 5: Solve for x
    x = 70,959,852.42/10,911.36
  6. Step 6: Final answer
    x = 6,503.30

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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.