Home / 16,652.14-22,968.72-13,109.20

Finding the Fourth Proportional to 16,652.14, 22,968.72 and 13,109.20

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Solution

The fourth proportional to 16,652.14, 22,968.72 and 13,109.20 is: 18,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,652.14 : 22,968.72 = 13,109.20 : x
  2. Step 2: Convert to fraction form
    16,652.14/22,968.72 = 13,109.20/x
  3. Step 3: Cross multiply
    16,652.14x = 22,968.72 × 13,109.20
  4. Step 4: Simplify right side
    16,652.14x = 301,101,544.22
  5. Step 5: Solve for x
    x = 301,101,544.22/16,652.14
  6. Step 6: Final answer
    x = 18,081.85

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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.