Home / 22,422.54-30,941.43-12,989.34

Finding the Fourth Proportional to 22,422.54, 30,941.43 and 12,989.34

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Solution

The fourth proportional to 22,422.54, 30,941.43 and 12,989.34 is: 17,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.54 : 30,941.43 = 12,989.34 : x
  2. Step 2: Convert to fraction form
    22,422.54/30,941.43 = 12,989.34/x
  3. Step 3: Cross multiply
    22,422.54x = 30,941.43 × 12,989.34
  4. Step 4: Simplify right side
    22,422.54x = 401,908,754.36
  5. Step 5: Solve for x
    x = 401,908,754.36/22,422.54
  6. Step 6: Final answer
    x = 17,924.32

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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.