Home / 13,478.24-20,230.20-9,733.76

Finding the Fourth Proportional to 13,478.24, 20,230.20 and 9,733.76

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Solution

The fourth proportional to 13,478.24, 20,230.20 and 9,733.76 is: 14,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.24 : 20,230.20 = 9,733.76 : x
  2. Step 2: Convert to fraction form
    13,478.24/20,230.20 = 9,733.76/x
  3. Step 3: Cross multiply
    13,478.24x = 20,230.20 × 9,733.76
  4. Step 4: Simplify right side
    13,478.24x = 196,915,911.55
  5. Step 5: Solve for x
    x = 196,915,911.55/13,478.24
  6. Step 6: Final answer
    x = 14,609.91

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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.