Home / 13,161.17-19,695.57-10,791.92

Finding the Fourth Proportional to 13,161.17, 19,695.57 and 10,791.92

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Solution

The fourth proportional to 13,161.17, 19,695.57 and 10,791.92 is: 16,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.17 : 19,695.57 = 10,791.92 : x
  2. Step 2: Convert to fraction form
    13,161.17/19,695.57 = 10,791.92/x
  3. Step 3: Cross multiply
    13,161.17x = 19,695.57 × 10,791.92
  4. Step 4: Simplify right side
    13,161.17x = 212,552,917.32
  5. Step 5: Solve for x
    x = 212,552,917.32/13,161.17
  6. Step 6: Final answer
    x = 16,150.01

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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.