Home / 12,517.82-17,274.02-7,213.40

Finding the Fourth Proportional to 12,517.82, 17,274.02 and 7,213.40

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Solution

The fourth proportional to 12,517.82, 17,274.02 and 7,213.40 is: 9,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.82 : 17,274.02 = 7,213.40 : x
  2. Step 2: Convert to fraction form
    12,517.82/17,274.02 = 7,213.40/x
  3. Step 3: Cross multiply
    12,517.82x = 17,274.02 × 7,213.40
  4. Step 4: Simplify right side
    12,517.82x = 124,604,415.87
  5. Step 5: Solve for x
    x = 124,604,415.87/12,517.82
  6. Step 6: Final answer
    x = 9,954.16

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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.