Home / 13,020.52-19,532.10-3,660.56

Finding the Fourth Proportional to 13,020.52, 19,532.10 and 3,660.56

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Solution

The fourth proportional to 13,020.52, 19,532.10 and 3,660.56 is: 5,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.52 : 19,532.10 = 3,660.56 : x
  2. Step 2: Convert to fraction form
    13,020.52/19,532.10 = 3,660.56/x
  3. Step 3: Cross multiply
    13,020.52x = 19,532.10 × 3,660.56
  4. Step 4: Simplify right side
    13,020.52x = 71,498,423.98
  5. Step 5: Solve for x
    x = 71,498,423.98/13,020.52
  6. Step 6: Final answer
    x = 5,491.21

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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.