Home / 15,377.78-22,982.40-11,226.53

Finding the Fourth Proportional to 15,377.78, 22,982.40 and 11,226.53

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Solution

The fourth proportional to 15,377.78, 22,982.40 and 11,226.53 is: 16,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377.78 : 22,982.40 = 11,226.53 : x
  2. Step 2: Convert to fraction form
    15,377.78/22,982.40 = 11,226.53/x
  3. Step 3: Cross multiply
    15,377.78x = 22,982.40 × 11,226.53
  4. Step 4: Simplify right side
    15,377.78x = 258,012,488.16
  5. Step 5: Solve for x
    x = 258,012,488.16/15,377.78
  6. Step 6: Final answer
    x = 16,778.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.