Home / 12,614.45-17,389.73-8,825.87

Finding the Fourth Proportional to 12,614.45, 17,389.73 and 8,825.87

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Solution

The fourth proportional to 12,614.45, 17,389.73 and 8,825.87 is: 12,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.45 : 17,389.73 = 8,825.87 : x
  2. Step 2: Convert to fraction form
    12,614.45/17,389.73 = 8,825.87/x
  3. Step 3: Cross multiply
    12,614.45x = 17,389.73 × 8,825.87
  4. Step 4: Simplify right side
    12,614.45x = 153,479,561.85
  5. Step 5: Solve for x
    x = 153,479,561.85/12,614.45
  6. Step 6: Final answer
    x = 12,166.97

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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.