Home / 20,065.24-27,689.77-11,113.26

Finding the Fourth Proportional to 20,065.24, 27,689.77 and 11,113.26

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Solution

The fourth proportional to 20,065.24, 27,689.77 and 11,113.26 is: 15,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.24 : 27,689.77 = 11,113.26 : x
  2. Step 2: Convert to fraction form
    20,065.24/27,689.77 = 11,113.26/x
  3. Step 3: Cross multiply
    20,065.24x = 27,689.77 × 11,113.26
  4. Step 4: Simplify right side
    20,065.24x = 307,723,613.35
  5. Step 5: Solve for x
    x = 307,723,613.35/20,065.24
  6. Step 6: Final answer
    x = 15,336.15

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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.