Home / 12,831.30-19,233.21-6,584.70

Finding the Fourth Proportional to 12,831.30, 19,233.21 and 6,584.70

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Solution

The fourth proportional to 12,831.30, 19,233.21 and 6,584.70 is: 9,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.30 : 19,233.21 = 6,584.70 : x
  2. Step 2: Convert to fraction form
    12,831.30/19,233.21 = 6,584.70/x
  3. Step 3: Cross multiply
    12,831.30x = 19,233.21 × 6,584.70
  4. Step 4: Simplify right side
    12,831.30x = 126,644,917.89
  5. Step 5: Solve for x
    x = 126,644,917.89/12,831.30
  6. Step 6: Final answer
    x = 9,870.00

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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.