Home / 13,653.79-20,480.46-6,153.18

Finding the Fourth Proportional to 13,653.79, 20,480.46 and 6,153.18

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Solution

The fourth proportional to 13,653.79, 20,480.46 and 6,153.18 is: 9,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.79 : 20,480.46 = 6,153.18 : x
  2. Step 2: Convert to fraction form
    13,653.79/20,480.46 = 6,153.18/x
  3. Step 3: Cross multiply
    13,653.79x = 20,480.46 × 6,153.18
  4. Step 4: Simplify right side
    13,653.79x = 126,019,894.44
  5. Step 5: Solve for x
    x = 126,019,894.44/13,653.79
  6. Step 6: Final answer
    x = 9,229.66

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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.