Home / 12,214.26-18,306.81-6,669

Finding the Fourth Proportional to 12,214.26, 18,306.81 and 6,669

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Solution

The fourth proportional to 12,214.26, 18,306.81 and 6,669 is: 9,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.26 : 18,306.81 = 6,669 : x
  2. Step 2: Convert to fraction form
    12,214.26/18,306.81 = 6,669/x
  3. Step 3: Cross multiply
    12,214.26x = 18,306.81 × 6,669
  4. Step 4: Simplify right side
    12,214.26x = 122,088,115.89
  5. Step 5: Solve for x
    x = 122,088,115.89/12,214.26
  6. Step 6: Final answer
    x = 9,995.54

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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.