Home / 22,721.24-34,087.37-7,138.87

Finding the Fourth Proportional to 22,721.24, 34,087.37 and 7,138.87

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Solution

The fourth proportional to 22,721.24, 34,087.37 and 7,138.87 is: 10,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.24 : 34,087.37 = 7,138.87 : x
  2. Step 2: Convert to fraction form
    22,721.24/34,087.37 = 7,138.87/x
  3. Step 3: Cross multiply
    22,721.24x = 34,087.37 × 7,138.87
  4. Step 4: Simplify right side
    22,721.24x = 243,345,182.16
  5. Step 5: Solve for x
    x = 243,345,182.16/22,721.24
  6. Step 6: Final answer
    x = 10,710.03

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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.