Home / 12,017.21-16,478.33-11,600.06

Finding the Fourth Proportional to 12,017.21, 16,478.33 and 11,600.06

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Solution

The fourth proportional to 12,017.21, 16,478.33 and 11,600.06 is: 15,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.21 : 16,478.33 = 11,600.06 : x
  2. Step 2: Convert to fraction form
    12,017.21/16,478.33 = 11,600.06/x
  3. Step 3: Cross multiply
    12,017.21x = 16,478.33 × 11,600.06
  4. Step 4: Simplify right side
    12,017.21x = 191,149,476.31
  5. Step 5: Solve for x
    x = 191,149,476.31/12,017.21
  6. Step 6: Final answer
    x = 15,906.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.