Home / 16,435.28-22,680.84-9,361.60

Finding the Fourth Proportional to 16,435.28, 22,680.84 and 9,361.60

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Solution

The fourth proportional to 16,435.28, 22,680.84 and 9,361.60 is: 12,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.28 : 22,680.84 = 9,361.60 : x
  2. Step 2: Convert to fraction form
    16,435.28/22,680.84 = 9,361.60/x
  3. Step 3: Cross multiply
    16,435.28x = 22,680.84 × 9,361.60
  4. Step 4: Simplify right side
    16,435.28x = 212,328,951.74
  5. Step 5: Solve for x
    x = 212,328,951.74/16,435.28
  6. Step 6: Final answer
    x = 12,919.10

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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.