Home / 13,659.80-18,833.16-9,176.44

Finding the Fourth Proportional to 13,659.80, 18,833.16 and 9,176.44

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Solution

The fourth proportional to 13,659.80, 18,833.16 and 9,176.44 is: 12,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.80 : 18,833.16 = 9,176.44 : x
  2. Step 2: Convert to fraction form
    13,659.80/18,833.16 = 9,176.44/x
  3. Step 3: Cross multiply
    13,659.80x = 18,833.16 × 9,176.44
  4. Step 4: Simplify right side
    13,659.80x = 172,821,362.75
  5. Step 5: Solve for x
    x = 172,821,362.75/13,659.80
  6. Step 6: Final answer
    x = 12,651.82

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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.