Home / 18,099.40-24,991.38-12,055.32

Finding the Fourth Proportional to 18,099.40, 24,991.38 and 12,055.32

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Solution

The fourth proportional to 18,099.40, 24,991.38 and 12,055.32 is: 16,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.40 : 24,991.38 = 12,055.32 : x
  2. Step 2: Convert to fraction form
    18,099.40/24,991.38 = 12,055.32/x
  3. Step 3: Cross multiply
    18,099.40x = 24,991.38 × 12,055.32
  4. Step 4: Simplify right side
    18,099.40x = 301,279,083.14
  5. Step 5: Solve for x
    x = 301,279,083.14/18,099.40
  6. Step 6: Final answer
    x = 16,645.81

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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.