Home / 12,436.10-17,161.76-6,771.17

Finding the Fourth Proportional to 12,436.10, 17,161.76 and 6,771.17

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Solution

The fourth proportional to 12,436.10, 17,161.76 and 6,771.17 is: 9,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.10 : 17,161.76 = 6,771.17 : x
  2. Step 2: Convert to fraction form
    12,436.10/17,161.76 = 6,771.17/x
  3. Step 3: Cross multiply
    12,436.10x = 17,161.76 × 6,771.17
  4. Step 4: Simplify right side
    12,436.10x = 116,205,074.79
  5. Step 5: Solve for x
    x = 116,205,074.79/12,436.10
  6. Step 6: Final answer
    x = 9,344.18

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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.