Home / 12,261.45-18,397.07-5,601.09

Finding the Fourth Proportional to 12,261.45, 18,397.07 and 5,601.09

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Solution

The fourth proportional to 12,261.45, 18,397.07 and 5,601.09 is: 8,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.45 : 18,397.07 = 5,601.09 : x
  2. Step 2: Convert to fraction form
    12,261.45/18,397.07 = 5,601.09/x
  3. Step 3: Cross multiply
    12,261.45x = 18,397.07 × 5,601.09
  4. Step 4: Simplify right side
    12,261.45x = 103,043,658.81
  5. Step 5: Solve for x
    x = 103,043,658.81/12,261.45
  6. Step 6: Final answer
    x = 8,403.87

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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.