Home / 13,698.62-20,516.79-10,718.49

Finding the Fourth Proportional to 13,698.62, 20,516.79 and 10,718.49

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Solution

The fourth proportional to 13,698.62, 20,516.79 and 10,718.49 is: 16,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.62 : 20,516.79 = 10,718.49 : x
  2. Step 2: Convert to fraction form
    13,698.62/20,516.79 = 10,718.49/x
  3. Step 3: Cross multiply
    13,698.62x = 20,516.79 × 10,718.49
  4. Step 4: Simplify right side
    13,698.62x = 219,908,954.85
  5. Step 5: Solve for x
    x = 219,908,954.85/13,698.62
  6. Step 6: Final answer
    x = 16,053.37

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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.