Home / 18,442.73-25,450.53-11,272.62

Finding the Fourth Proportional to 18,442.73, 25,450.53 and 11,272.62

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Solution

The fourth proportional to 18,442.73, 25,450.53 and 11,272.62 is: 15,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.73 : 25,450.53 = 11,272.62 : x
  2. Step 2: Convert to fraction form
    18,442.73/25,450.53 = 11,272.62/x
  3. Step 3: Cross multiply
    18,442.73x = 25,450.53 × 11,272.62
  4. Step 4: Simplify right side
    18,442.73x = 286,894,153.49
  5. Step 5: Solve for x
    x = 286,894,153.49/18,442.73
  6. Step 6: Final answer
    x = 15,555.95

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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.