Home / 20,162.67-30,243.95-5,371.64

Finding the Fourth Proportional to 20,162.67, 30,243.95 and 5,371.64

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Solution

The fourth proportional to 20,162.67, 30,243.95 and 5,371.64 is: 8,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.67 : 30,243.95 = 5,371.64 : x
  2. Step 2: Convert to fraction form
    20,162.67/30,243.95 = 5,371.64/x
  3. Step 3: Cross multiply
    20,162.67x = 30,243.95 × 5,371.64
  4. Step 4: Simplify right side
    20,162.67x = 162,459,611.58
  5. Step 5: Solve for x
    x = 162,459,611.58/20,162.67
  6. Step 6: Final answer
    x = 8,057.45

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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.