Home / 15,537.38-21,441.73-8,823.15

Finding the Fourth Proportional to 15,537.38, 21,441.73 and 8,823.15

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Solution

The fourth proportional to 15,537.38, 21,441.73 and 8,823.15 is: 12,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.38 : 21,441.73 = 8,823.15 : x
  2. Step 2: Convert to fraction form
    15,537.38/21,441.73 = 8,823.15/x
  3. Step 3: Cross multiply
    15,537.38x = 21,441.73 × 8,823.15
  4. Step 4: Simplify right side
    15,537.38x = 189,183,577.99
  5. Step 5: Solve for x
    x = 189,183,577.99/15,537.38
  6. Step 6: Final answer
    x = 12,176.03

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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.