Home / 20,167.06-27,830.57-11,214.37

Finding the Fourth Proportional to 20,167.06, 27,830.57 and 11,214.37

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Solution

The fourth proportional to 20,167.06, 27,830.57 and 11,214.37 is: 15,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.06 : 27,830.57 = 11,214.37 : x
  2. Step 2: Convert to fraction form
    20,167.06/27,830.57 = 11,214.37/x
  3. Step 3: Cross multiply
    20,167.06x = 27,830.57 × 11,214.37
  4. Step 4: Simplify right side
    20,167.06x = 312,102,253.22
  5. Step 5: Solve for x
    x = 312,102,253.22/20,167.06
  6. Step 6: Final answer
    x = 15,475.84

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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.