Home / 10,885.85-16,336.05-3,960.35

Finding the Fourth Proportional to 10,885.85, 16,336.05 and 3,960.35

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Solution

The fourth proportional to 10,885.85, 16,336.05 and 3,960.35 is: 5,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.85 : 16,336.05 = 3,960.35 : x
  2. Step 2: Convert to fraction form
    10,885.85/16,336.05 = 3,960.35/x
  3. Step 3: Cross multiply
    10,885.85x = 16,336.05 × 3,960.35
  4. Step 4: Simplify right side
    10,885.85x = 64,696,393.94
  5. Step 5: Solve for x
    x = 64,696,393.94/10,885.85
  6. Step 6: Final answer
    x = 5,943.17

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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.