Home / 12,343.96-17,034.67-6,678.69

Finding the Fourth Proportional to 12,343.96, 17,034.67 and 6,678.69

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Solution

The fourth proportional to 12,343.96, 17,034.67 and 6,678.69 is: 9,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.96 : 17,034.67 = 6,678.69 : x
  2. Step 2: Convert to fraction form
    12,343.96/17,034.67 = 6,678.69/x
  3. Step 3: Cross multiply
    12,343.96x = 17,034.67 × 6,678.69
  4. Step 4: Simplify right side
    12,343.96x = 113,769,224.65
  5. Step 5: Solve for x
    x = 113,769,224.65/12,343.96
  6. Step 6: Final answer
    x = 9,216.59

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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.