Home / 12,293.21-18,439.82-5,268.66

Finding the Fourth Proportional to 12,293.21, 18,439.82 and 5,268.66

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Solution

The fourth proportional to 12,293.21, 18,439.82 and 5,268.66 is: 7,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.21 : 18,439.82 = 5,268.66 : x
  2. Step 2: Convert to fraction form
    12,293.21/18,439.82 = 5,268.66/x
  3. Step 3: Cross multiply
    12,293.21x = 18,439.82 × 5,268.66
  4. Step 4: Simplify right side
    12,293.21x = 97,153,142.04
  5. Step 5: Solve for x
    x = 97,153,142.04/12,293.21
  6. Step 6: Final answer
    x = 7,902.99

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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.