Home / 13,224.15-19,831.08-6,645.75

Finding the Fourth Proportional to 13,224.15, 19,831.08 and 6,645.75

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Solution

The fourth proportional to 13,224.15, 19,831.08 and 6,645.75 is: 9,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.15 : 19,831.08 = 6,645.75 : x
  2. Step 2: Convert to fraction form
    13,224.15/19,831.08 = 6,645.75/x
  3. Step 3: Cross multiply
    13,224.15x = 19,831.08 × 6,645.75
  4. Step 4: Simplify right side
    13,224.15x = 131,792,399.91
  5. Step 5: Solve for x
    x = 131,792,399.91/13,224.15
  6. Step 6: Final answer
    x = 9,966.04

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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.