Home / 12,614.24-17,386.32-8,628.48

Finding the Fourth Proportional to 12,614.24, 17,386.32 and 8,628.48

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Solution

The fourth proportional to 12,614.24, 17,386.32 and 8,628.48 is: 11,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.24 : 17,386.32 = 8,628.48 : x
  2. Step 2: Convert to fraction form
    12,614.24/17,386.32 = 8,628.48/x
  3. Step 3: Cross multiply
    12,614.24x = 17,386.32 × 8,628.48
  4. Step 4: Simplify right side
    12,614.24x = 150,017,514.39
  5. Step 5: Solve for x
    x = 150,017,514.39/12,614.24
  6. Step 6: Final answer
    x = 11,892.71

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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.