Home / 14,107.16-21,160.77-3,577.18

Finding the Fourth Proportional to 14,107.16, 21,160.77 and 3,577.18

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Solution

The fourth proportional to 14,107.16, 21,160.77 and 3,577.18 is: 5,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.16 : 21,160.77 = 3,577.18 : x
  2. Step 2: Convert to fraction form
    14,107.16/21,160.77 = 3,577.18/x
  3. Step 3: Cross multiply
    14,107.16x = 21,160.77 × 3,577.18
  4. Step 4: Simplify right side
    14,107.16x = 75,695,883.23
  5. Step 5: Solve for x
    x = 75,695,883.23/14,107.16
  6. Step 6: Final answer
    x = 5,365.78

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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.