Home / 22,127.45-30,521.93-13,168.26

Finding the Fourth Proportional to 22,127.45, 30,521.93 and 13,168.26

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Solution

The fourth proportional to 22,127.45, 30,521.93 and 13,168.26 is: 18,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.45 : 30,521.93 = 13,168.26 : x
  2. Step 2: Convert to fraction form
    22,127.45/30,521.93 = 13,168.26/x
  3. Step 3: Cross multiply
    22,127.45x = 30,521.93 × 13,168.26
  4. Step 4: Simplify right side
    22,127.45x = 401,920,644.10
  5. Step 5: Solve for x
    x = 401,920,644.10/22,127.45
  6. Step 6: Final answer
    x = 18,163.90

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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.