Home / 12,569.36-18,831.54-8,396.73

Finding the Fourth Proportional to 12,569.36, 18,831.54 and 8,396.73

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Solution

The fourth proportional to 12,569.36, 18,831.54 and 8,396.73 is: 12,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.36 : 18,831.54 = 8,396.73 : x
  2. Step 2: Convert to fraction form
    12,569.36/18,831.54 = 8,396.73/x
  3. Step 3: Cross multiply
    12,569.36x = 18,831.54 × 8,396.73
  4. Step 4: Simplify right side
    12,569.36x = 158,123,388.35
  5. Step 5: Solve for x
    x = 158,123,388.35/12,569.36
  6. Step 6: Final answer
    x = 12,580.07

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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.