Home / 12,449.08-18,674.70-6,605.56

Finding the Fourth Proportional to 12,449.08, 18,674.70 and 6,605.56

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Solution

The fourth proportional to 12,449.08, 18,674.70 and 6,605.56 is: 9,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.08 : 18,674.70 = 6,605.56 : x
  2. Step 2: Convert to fraction form
    12,449.08/18,674.70 = 6,605.56/x
  3. Step 3: Cross multiply
    12,449.08x = 18,674.70 × 6,605.56
  4. Step 4: Simplify right side
    12,449.08x = 123,356,851.33
  5. Step 5: Solve for x
    x = 123,356,851.33/12,449.08
  6. Step 6: Final answer
    x = 9,908.91

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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.