Home / 13,727.10-20,572.11-10,011.90

Finding the Fourth Proportional to 13,727.10, 20,572.11 and 10,011.90

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Solution

The fourth proportional to 13,727.10, 20,572.11 and 10,011.90 is: 15,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.10 : 20,572.11 = 10,011.90 : x
  2. Step 2: Convert to fraction form
    13,727.10/20,572.11 = 10,011.90/x
  3. Step 3: Cross multiply
    13,727.10x = 20,572.11 × 10,011.90
  4. Step 4: Simplify right side
    13,727.10x = 205,965,908.11
  5. Step 5: Solve for x
    x = 205,965,908.11/13,727.10
  6. Step 6: Final answer
    x = 15,004.33

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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.