Home / 15,536.82-21,441.33-8,463.90

Finding the Fourth Proportional to 15,536.82, 21,441.33 and 8,463.90

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Solution

The fourth proportional to 15,536.82, 21,441.33 and 8,463.90 is: 11,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.82 : 21,441.33 = 8,463.90 : x
  2. Step 2: Convert to fraction form
    15,536.82/21,441.33 = 8,463.90/x
  3. Step 3: Cross multiply
    15,536.82x = 21,441.33 × 8,463.90
  4. Step 4: Simplify right side
    15,536.82x = 181,477,272.99
  5. Step 5: Solve for x
    x = 181,477,272.99/15,536.82
  6. Step 6: Final answer
    x = 11,680.46

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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.