Home / 20,101.57-27,714.67-14,365.87

Finding the Fourth Proportional to 20,101.57, 27,714.67 and 14,365.87

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Solution

The fourth proportional to 20,101.57, 27,714.67 and 14,365.87 is: 19,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.57 : 27,714.67 = 14,365.87 : x
  2. Step 2: Convert to fraction form
    20,101.57/27,714.67 = 14,365.87/x
  3. Step 3: Cross multiply
    20,101.57x = 27,714.67 × 14,365.87
  4. Step 4: Simplify right side
    20,101.57x = 398,145,346.31
  5. Step 5: Solve for x
    x = 398,145,346.31/20,101.57
  6. Step 6: Final answer
    x = 19,806.68

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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.