Home / 13,267.28-19,882.32-10,481.76

Finding the Fourth Proportional to 13,267.28, 19,882.32 and 10,481.76

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Solution

The fourth proportional to 13,267.28, 19,882.32 and 10,481.76 is: 15,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.28 : 19,882.32 = 10,481.76 : x
  2. Step 2: Convert to fraction form
    13,267.28/19,882.32 = 10,481.76/x
  3. Step 3: Cross multiply
    13,267.28x = 19,882.32 × 10,481.76
  4. Step 4: Simplify right side
    13,267.28x = 208,401,706.48
  5. Step 5: Solve for x
    x = 208,401,706.48/13,267.28
  6. Step 6: Final answer
    x = 15,707.95

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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.