Home / 14,120.04-21,175.68-9,765.48

Finding the Fourth Proportional to 14,120.04, 21,175.68 and 9,765.48

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Solution

The fourth proportional to 14,120.04, 21,175.68 and 9,765.48 is: 14,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.04 : 21,175.68 = 9,765.48 : x
  2. Step 2: Convert to fraction form
    14,120.04/21,175.68 = 9,765.48/x
  3. Step 3: Cross multiply
    14,120.04x = 21,175.68 × 9,765.48
  4. Step 4: Simplify right side
    14,120.04x = 206,790,679.53
  5. Step 5: Solve for x
    x = 206,790,679.53/14,120.04
  6. Step 6: Final answer
    x = 14,645.19

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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.