Home / 12,261.17-18,391.93-3,496.09

Finding the Fourth Proportional to 12,261.17, 18,391.93 and 3,496.09

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Solution

The fourth proportional to 12,261.17, 18,391.93 and 3,496.09 is: 5,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.17 : 18,391.93 = 3,496.09 : x
  2. Step 2: Convert to fraction form
    12,261.17/18,391.93 = 3,496.09/x
  3. Step 3: Cross multiply
    12,261.17x = 18,391.93 × 3,496.09
  4. Step 4: Simplify right side
    12,261.17x = 64,299,842.55
  5. Step 5: Solve for x
    x = 64,299,842.55/12,261.17
  6. Step 6: Final answer
    x = 5,244.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.