Home / 20,150.40-30,194.80-13,552.16

Finding the Fourth Proportional to 20,150.40, 30,194.80 and 13,552.16

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Solution

The fourth proportional to 20,150.40, 30,194.80 and 13,552.16 is: 20,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.40 : 30,194.80 = 13,552.16 : x
  2. Step 2: Convert to fraction form
    20,150.40/30,194.80 = 13,552.16/x
  3. Step 3: Cross multiply
    20,150.40x = 30,194.80 × 13,552.16
  4. Step 4: Simplify right side
    20,150.40x = 409,204,760.77
  5. Step 5: Solve for x
    x = 409,204,760.77/20,150.40
  6. Step 6: Final answer
    x = 20,307.53

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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.