Home / 23,040.11-31,794.85-12,831.07

Finding the Fourth Proportional to 23,040.11, 31,794.85 and 12,831.07

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Solution

The fourth proportional to 23,040.11, 31,794.85 and 12,831.07 is: 17,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.11 : 31,794.85 = 12,831.07 : x
  2. Step 2: Convert to fraction form
    23,040.11/31,794.85 = 12,831.07/x
  3. Step 3: Cross multiply
    23,040.11x = 31,794.85 × 12,831.07
  4. Step 4: Simplify right side
    23,040.11x = 407,961,945.99
  5. Step 5: Solve for x
    x = 407,961,945.99/23,040.11
  6. Step 6: Final answer
    x = 17,706.60

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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.