Home / 20,176.11-30,267.42-8,492.67

Finding the Fourth Proportional to 20,176.11, 30,267.42 and 8,492.67

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Solution

The fourth proportional to 20,176.11, 30,267.42 and 8,492.67 is: 12,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.11 : 30,267.42 = 8,492.67 : x
  2. Step 2: Convert to fraction form
    20,176.11/30,267.42 = 8,492.67/x
  3. Step 3: Cross multiply
    20,176.11x = 30,267.42 × 8,492.67
  4. Step 4: Simplify right side
    20,176.11x = 257,051,209.81
  5. Step 5: Solve for x
    x = 257,051,209.81/20,176.11
  6. Step 6: Final answer
    x = 12,740.38

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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.