Home / 18,972.35-28,466.73-7,282.85

Finding the Fourth Proportional to 18,972.35, 28,466.73 and 7,282.85

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Solution

The fourth proportional to 18,972.35, 28,466.73 and 7,282.85 is: 10,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.35 : 28,466.73 = 7,282.85 : x
  2. Step 2: Convert to fraction form
    18,972.35/28,466.73 = 7,282.85/x
  3. Step 3: Cross multiply
    18,972.35x = 28,466.73 × 7,282.85
  4. Step 4: Simplify right side
    18,972.35x = 207,318,924.58
  5. Step 5: Solve for x
    x = 207,318,924.58/18,972.35
  6. Step 6: Final answer
    x = 10,927.42

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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.