Home / 15,537.20-21,441.90-8,464.14

Finding the Fourth Proportional to 15,537.20, 21,441.90 and 8,464.14

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Solution

The fourth proportional to 15,537.20, 21,441.90 and 8,464.14 is: 11,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.20 : 21,441.90 = 8,464.14 : x
  2. Step 2: Convert to fraction form
    15,537.20/21,441.90 = 8,464.14/x
  3. Step 3: Cross multiply
    15,537.20x = 21,441.90 × 8,464.14
  4. Step 4: Simplify right side
    15,537.20x = 181,487,243.47
  5. Step 5: Solve for x
    x = 181,487,243.47/15,537.20
  6. Step 6: Final answer
    x = 11,680.82

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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.