Home / 15,537.24-21,441.34-8,463.64

Finding the Fourth Proportional to 15,537.24, 21,441.34 and 8,463.64

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Solution

The fourth proportional to 15,537.24, 21,441.34 and 8,463.64 is: 11,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.24 : 21,441.34 = 8,463.64 : x
  2. Step 2: Convert to fraction form
    15,537.24/21,441.34 = 8,463.64/x
  3. Step 3: Cross multiply
    15,537.24x = 21,441.34 × 8,463.64
  4. Step 4: Simplify right side
    15,537.24x = 181,471,782.88
  5. Step 5: Solve for x
    x = 181,471,782.88/15,537.24
  6. Step 6: Final answer
    x = 11,679.80

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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.