Home / 20,508.10-30,697.35-16,101.70

Finding the Fourth Proportional to 20,508.10, 30,697.35 and 16,101.70

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Solution

The fourth proportional to 20,508.10, 30,697.35 and 16,101.70 is: 24,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508.10 : 30,697.35 = 16,101.70 : x
  2. Step 2: Convert to fraction form
    20,508.10/30,697.35 = 16,101.70/x
  3. Step 3: Cross multiply
    20,508.10x = 30,697.35 × 16,101.70
  4. Step 4: Simplify right side
    20,508.10x = 494,279,520.50
  5. Step 5: Solve for x
    x = 494,279,520.50/20,508.10
  6. Step 6: Final answer
    x = 24,101.67

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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.