Home / 17,146.90-25,688.51-8,831.96

Finding the Fourth Proportional to 17,146.90, 25,688.51 and 8,831.96

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Solution

The fourth proportional to 17,146.90, 25,688.51 and 8,831.96 is: 13,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,146.90 : 25,688.51 = 8,831.96 : x
  2. Step 2: Convert to fraction form
    17,146.90/25,688.51 = 8,831.96/x
  3. Step 3: Cross multiply
    17,146.90x = 25,688.51 × 8,831.96
  4. Step 4: Simplify right side
    17,146.90x = 226,879,892.78
  5. Step 5: Solve for x
    x = 226,879,892.78/17,146.90
  6. Step 6: Final answer
    x = 13,231.54

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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.