Home / 18,113.10-27,169.66-4,965.58

Finding the Fourth Proportional to 18,113.10, 27,169.66 and 4,965.58

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Solution

The fourth proportional to 18,113.10, 27,169.66 and 4,965.58 is: 7,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.10 : 27,169.66 = 4,965.58 : x
  2. Step 2: Convert to fraction form
    18,113.10/27,169.66 = 4,965.58/x
  3. Step 3: Cross multiply
    18,113.10x = 27,169.66 × 4,965.58
  4. Step 4: Simplify right side
    18,113.10x = 134,913,120.30
  5. Step 5: Solve for x
    x = 134,913,120.30/18,113.10
  6. Step 6: Final answer
    x = 7,448.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.