Home / 20,101.23-30,102.64-14,163.53

Finding the Fourth Proportional to 20,101.23, 30,102.64 and 14,163.53

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Solution

The fourth proportional to 20,101.23, 30,102.64 and 14,163.53 is: 21,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.23 : 30,102.64 = 14,163.53 : x
  2. Step 2: Convert to fraction form
    20,101.23/30,102.64 = 14,163.53/x
  3. Step 3: Cross multiply
    20,101.23x = 30,102.64 × 14,163.53
  4. Step 4: Simplify right side
    20,101.23x = 426,359,458.80
  5. Step 5: Solve for x
    x = 426,359,458.80/20,101.23
  6. Step 6: Final answer
    x = 21,210.62

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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.