Home / 12,331.89-17,019.66-6,955.43

Finding the Fourth Proportional to 12,331.89, 17,019.66 and 6,955.43

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Solution

The fourth proportional to 12,331.89, 17,019.66 and 6,955.43 is: 9,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.89 : 17,019.66 = 6,955.43 : x
  2. Step 2: Convert to fraction form
    12,331.89/17,019.66 = 6,955.43/x
  3. Step 3: Cross multiply
    12,331.89x = 17,019.66 × 6,955.43
  4. Step 4: Simplify right side
    12,331.89x = 118,379,023.04
  5. Step 5: Solve for x
    x = 118,379,023.04/12,331.89
  6. Step 6: Final answer
    x = 9,599.42

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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.