Home / 12,831.97-19,246.36-3,598.69

Finding the Fourth Proportional to 12,831.97, 19,246.36 and 3,598.69

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Solution

The fourth proportional to 12,831.97, 19,246.36 and 3,598.69 is: 5,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.97 : 19,246.36 = 3,598.69 : x
  2. Step 2: Convert to fraction form
    12,831.97/19,246.36 = 3,598.69/x
  3. Step 3: Cross multiply
    12,831.97x = 19,246.36 × 3,598.69
  4. Step 4: Simplify right side
    12,831.97x = 69,261,665.27
  5. Step 5: Solve for x
    x = 69,261,665.27/12,831.97
  6. Step 6: Final answer
    x = 5,397.59

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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.