Home / 13,334.40-19,963.20-8,150.40

Finding the Fourth Proportional to 13,334.40, 19,963.20 and 8,150.40

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Solution

The fourth proportional to 13,334.40, 19,963.20 and 8,150.40 is: 12,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.40 : 19,963.20 = 8,150.40 : x
  2. Step 2: Convert to fraction form
    13,334.40/19,963.20 = 8,150.40/x
  3. Step 3: Cross multiply
    13,334.40x = 19,963.20 × 8,150.40
  4. Step 4: Simplify right side
    13,334.40x = 162,708,065.28
  5. Step 5: Solve for x
    x = 162,708,065.28/13,334.40
  6. Step 6: Final answer
    x = 12,202.13

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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.