Home / 22,431.85-30,955.55-12,361.23

Finding the Fourth Proportional to 22,431.85, 30,955.55 and 12,361.23

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Solution

The fourth proportional to 22,431.85, 30,955.55 and 12,361.23 is: 17,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431.85 : 30,955.55 = 12,361.23 : x
  2. Step 2: Convert to fraction form
    22,431.85/30,955.55 = 12,361.23/x
  3. Step 3: Cross multiply
    22,431.85x = 30,955.55 × 12,361.23
  4. Step 4: Simplify right side
    22,431.85x = 382,648,456.74
  5. Step 5: Solve for x
    x = 382,648,456.74/22,431.85
  6. Step 6: Final answer
    x = 17,058.27

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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.