Home / 20,114.73-30,148.88-14,770.35

Finding the Fourth Proportional to 20,114.73, 30,148.88 and 14,770.35

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Solution

The fourth proportional to 20,114.73, 30,148.88 and 14,770.35 is: 22,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.73 : 30,148.88 = 14,770.35 : x
  2. Step 2: Convert to fraction form
    20,114.73/30,148.88 = 14,770.35/x
  3. Step 3: Cross multiply
    20,114.73x = 30,148.88 × 14,770.35
  4. Step 4: Simplify right side
    20,114.73x = 445,309,435.86
  5. Step 5: Solve for x
    x = 445,309,435.86/20,114.73
  6. Step 6: Final answer
    x = 22,138.47

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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.