Home / 21,646.57-32,450.61-11,656.77

Finding the Fourth Proportional to 21,646.57, 32,450.61 and 11,656.77

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Solution

The fourth proportional to 21,646.57, 32,450.61 and 11,656.77 is: 17,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.57 : 32,450.61 = 11,656.77 : x
  2. Step 2: Convert to fraction form
    21,646.57/32,450.61 = 11,656.77/x
  3. Step 3: Cross multiply
    21,646.57x = 32,450.61 × 11,656.77
  4. Step 4: Simplify right side
    21,646.57x = 378,269,297.13
  5. Step 5: Solve for x
    x = 378,269,297.13/21,646.57
  6. Step 6: Final answer
    x = 17,474.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.