Home / 16,239.88-22,409.42-9,164.93

Finding the Fourth Proportional to 16,239.88, 22,409.42 and 9,164.93

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Solution

The fourth proportional to 16,239.88, 22,409.42 and 9,164.93 is: 12,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.88 : 22,409.42 = 9,164.93 : x
  2. Step 2: Convert to fraction form
    16,239.88/22,409.42 = 9,164.93/x
  3. Step 3: Cross multiply
    16,239.88x = 22,409.42 × 9,164.93
  4. Step 4: Simplify right side
    16,239.88x = 205,380,775.84
  5. Step 5: Solve for x
    x = 205,380,775.84/16,239.88
  6. Step 6: Final answer
    x = 12,646.69

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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.