Home / 12,349.84-17,042.65-6,684.46

Finding the Fourth Proportional to 12,349.84, 17,042.65 and 6,684.46

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Solution

The fourth proportional to 12,349.84, 17,042.65 and 6,684.46 is: 9,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.84 : 17,042.65 = 6,684.46 : x
  2. Step 2: Convert to fraction form
    12,349.84/17,042.65 = 6,684.46/x
  3. Step 3: Cross multiply
    12,349.84x = 17,042.65 × 6,684.46
  4. Step 4: Simplify right side
    12,349.84x = 113,920,912.22
  5. Step 5: Solve for x
    x = 113,920,912.22/12,349.84
  6. Step 6: Final answer
    x = 9,224.48

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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.