Home / 14,921.40-22,361.08-11,787.68

Finding the Fourth Proportional to 14,921.40, 22,361.08 and 11,787.68

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Solution

The fourth proportional to 14,921.40, 22,361.08 and 11,787.68 is: 17,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.40 : 22,361.08 = 11,787.68 : x
  2. Step 2: Convert to fraction form
    14,921.40/22,361.08 = 11,787.68/x
  3. Step 3: Cross multiply
    14,921.40x = 22,361.08 × 11,787.68
  4. Step 4: Simplify right side
    14,921.40x = 263,585,255.49
  5. Step 5: Solve for x
    x = 263,585,255.49/14,921.40
  6. Step 6: Final answer
    x = 17,664.91

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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.