Home / 16,212.73-22,373.64-9,499.55

Finding the Fourth Proportional to 16,212.73, 22,373.64 and 9,499.55

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Solution

The fourth proportional to 16,212.73, 22,373.64 and 9,499.55 is: 13,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.73 : 22,373.64 = 9,499.55 : x
  2. Step 2: Convert to fraction form
    16,212.73/22,373.64 = 9,499.55/x
  3. Step 3: Cross multiply
    16,212.73x = 22,373.64 × 9,499.55
  4. Step 4: Simplify right side
    16,212.73x = 212,539,511.86
  5. Step 5: Solve for x
    x = 212,539,511.86/16,212.73
  6. Step 6: Final answer
    x = 13,109.42

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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.