Home / 12,669.27-18,998.13-5,269.32

Finding the Fourth Proportional to 12,669.27, 18,998.13 and 5,269.32

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Solution

The fourth proportional to 12,669.27, 18,998.13 and 5,269.32 is: 7,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.27 : 18,998.13 = 5,269.32 : x
  2. Step 2: Convert to fraction form
    12,669.27/18,998.13 = 5,269.32/x
  3. Step 3: Cross multiply
    12,669.27x = 18,998.13 × 5,269.32
  4. Step 4: Simplify right side
    12,669.27x = 100,107,226.37
  5. Step 5: Solve for x
    x = 100,107,226.37/12,669.27
  6. Step 6: Final answer
    x = 7,901.58

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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.