Home / 12,349.77-17,042.56-6,684.40

Finding the Fourth Proportional to 12,349.77, 17,042.56 and 6,684.40

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Solution

The fourth proportional to 12,349.77, 17,042.56 and 6,684.40 is: 9,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.77 : 17,042.56 = 6,684.40 : x
  2. Step 2: Convert to fraction form
    12,349.77/17,042.56 = 6,684.40/x
  3. Step 3: Cross multiply
    12,349.77x = 17,042.56 × 6,684.40
  4. Step 4: Simplify right side
    12,349.77x = 113,919,288.06
  5. Step 5: Solve for x
    x = 113,919,288.06/12,349.77
  6. Step 6: Final answer
    x = 9,224.41

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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.