Home / 16,489.08-22,751.01-9,319.14

Finding the Fourth Proportional to 16,489.08, 22,751.01 and 9,319.14

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Solution

The fourth proportional to 16,489.08, 22,751.01 and 9,319.14 is: 12,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.08 : 22,751.01 = 9,319.14 : x
  2. Step 2: Convert to fraction form
    16,489.08/22,751.01 = 9,319.14/x
  3. Step 3: Cross multiply
    16,489.08x = 22,751.01 × 9,319.14
  4. Step 4: Simplify right side
    16,489.08x = 212,019,847.33
  5. Step 5: Solve for x
    x = 212,019,847.33/16,489.08
  6. Step 6: Final answer
    x = 12,858.20

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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.