Home / 12,831.33-19,232.28-5,891.25

Finding the Fourth Proportional to 12,831.33, 19,232.28 and 5,891.25

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Solution

The fourth proportional to 12,831.33, 19,232.28 and 5,891.25 is: 8,830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.33 : 19,232.28 = 5,891.25 : x
  2. Step 2: Convert to fraction form
    12,831.33/19,232.28 = 5,891.25/x
  3. Step 3: Cross multiply
    12,831.33x = 19,232.28 × 5,891.25
  4. Step 4: Simplify right side
    12,831.33x = 113,302,169.55
  5. Step 5: Solve for x
    x = 113,302,169.55/12,831.33
  6. Step 6: Final answer
    x = 8,830.12

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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.