Home / 23,171.11-31,976.07-12,560.67

Finding the Fourth Proportional to 23,171.11, 31,976.07 and 12,560.67

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Solution

The fourth proportional to 23,171.11, 31,976.07 and 12,560.67 is: 17,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.11 : 31,976.07 = 12,560.67 : x
  2. Step 2: Convert to fraction form
    23,171.11/31,976.07 = 12,560.67/x
  3. Step 3: Cross multiply
    23,171.11x = 31,976.07 × 12,560.67
  4. Step 4: Simplify right side
    23,171.11x = 401,640,816.06
  5. Step 5: Solve for x
    x = 401,640,816.06/23,171.11
  6. Step 6: Final answer
    x = 17,333.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.