Home / 12,111.44-16,693.22-9,239.18

Finding the Fourth Proportional to 12,111.44, 16,693.22 and 9,239.18

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Solution

The fourth proportional to 12,111.44, 16,693.22 and 9,239.18 is: 12,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111.44 : 16,693.22 = 9,239.18 : x
  2. Step 2: Convert to fraction form
    12,111.44/16,693.22 = 9,239.18/x
  3. Step 3: Cross multiply
    12,111.44x = 16,693.22 × 9,239.18
  4. Step 4: Simplify right side
    12,111.44x = 154,231,603.99
  5. Step 5: Solve for x
    x = 154,231,603.99/12,111.44
  6. Step 6: Final answer
    x = 12,734.38

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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.