Home / 20,107.03-27,746.76-11,154.37

Finding the Fourth Proportional to 20,107.03, 27,746.76 and 11,154.37

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Solution

The fourth proportional to 20,107.03, 27,746.76 and 11,154.37 is: 15,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107.03 : 27,746.76 = 11,154.37 : x
  2. Step 2: Convert to fraction form
    20,107.03/27,746.76 = 11,154.37/x
  3. Step 3: Cross multiply
    20,107.03x = 27,746.76 × 11,154.37
  4. Step 4: Simplify right side
    20,107.03x = 309,497,627.34
  5. Step 5: Solve for x
    x = 309,497,627.34/20,107.03
  6. Step 6: Final answer
    x = 15,392.51

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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.