Home / 22,772.90-34,148.41-12,909.53

Finding the Fourth Proportional to 22,772.90, 34,148.41 and 12,909.53

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Solution

The fourth proportional to 22,772.90, 34,148.41 and 12,909.53 is: 19,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.90 : 34,148.41 = 12,909.53 : x
  2. Step 2: Convert to fraction form
    22,772.90/34,148.41 = 12,909.53/x
  3. Step 3: Cross multiply
    22,772.90x = 34,148.41 × 12,909.53
  4. Step 4: Simplify right side
    22,772.90x = 440,839,976.44
  5. Step 5: Solve for x
    x = 440,839,976.44/22,772.90
  6. Step 6: Final answer
    x = 19,358.09

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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.