Home / 12,326.58-17,009.60-6,949.40

Finding the Fourth Proportional to 12,326.58, 17,009.60 and 6,949.40

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Solution

The fourth proportional to 12,326.58, 17,009.60 and 6,949.40 is: 9,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.58 : 17,009.60 = 6,949.40 : x
  2. Step 2: Convert to fraction form
    12,326.58/17,009.60 = 6,949.40/x
  3. Step 3: Cross multiply
    12,326.58x = 17,009.60 × 6,949.40
  4. Step 4: Simplify right side
    12,326.58x = 118,206,394.45
  5. Step 5: Solve for x
    x = 118,206,394.45/12,326.58
  6. Step 6: Final answer
    x = 9,589.55

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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.