Home / 13,524.72-20,298.60-7,969.92

Finding the Fourth Proportional to 13,524.72, 20,298.60 and 7,969.92

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Solution

The fourth proportional to 13,524.72, 20,298.60 and 7,969.92 is: 11,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.72 : 20,298.60 = 7,969.92 : x
  2. Step 2: Convert to fraction form
    13,524.72/20,298.60 = 7,969.92/x
  3. Step 3: Cross multiply
    13,524.72x = 20,298.60 × 7,969.92
  4. Step 4: Simplify right side
    13,524.72x = 161,778,218.11
  5. Step 5: Solve for x
    x = 161,778,218.11/13,524.72
  6. Step 6: Final answer
    x = 11,961.67

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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.