Home / 19,226.98-28,850.73-7,540.30

Finding the Fourth Proportional to 19,226.98, 28,850.73 and 7,540.30

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Solution

The fourth proportional to 19,226.98, 28,850.73 and 7,540.30 is: 11,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.98 : 28,850.73 = 7,540.30 : x
  2. Step 2: Convert to fraction form
    19,226.98/28,850.73 = 7,540.30/x
  3. Step 3: Cross multiply
    19,226.98x = 28,850.73 × 7,540.30
  4. Step 4: Simplify right side
    19,226.98x = 217,543,159.42
  5. Step 5: Solve for x
    x = 217,543,159.42/19,226.98
  6. Step 6: Final answer
    x = 11,314.47

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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.