Home / 16,409.88-22,648.44-9,695.16

Finding the Fourth Proportional to 16,409.88, 22,648.44 and 9,695.16

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Solution

The fourth proportional to 16,409.88, 22,648.44 and 9,695.16 is: 13,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,409.88 : 22,648.44 = 9,695.16 : x
  2. Step 2: Convert to fraction form
    16,409.88/22,648.44 = 9,695.16/x
  3. Step 3: Cross multiply
    16,409.88x = 22,648.44 × 9,695.16
  4. Step 4: Simplify right side
    16,409.88x = 219,580,249.55
  5. Step 5: Solve for x
    x = 219,580,249.55/16,409.88
  6. Step 6: Final answer
    x = 13,380.98

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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.