Home / 20,247.54-27,942.30-11,749.02

Finding the Fourth Proportional to 20,247.54, 27,942.30 and 11,749.02

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Solution

The fourth proportional to 20,247.54, 27,942.30 and 11,749.02 is: 16,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.54 : 27,942.30 = 11,749.02 : x
  2. Step 2: Convert to fraction form
    20,247.54/27,942.30 = 11,749.02/x
  3. Step 3: Cross multiply
    20,247.54x = 27,942.30 × 11,749.02
  4. Step 4: Simplify right side
    20,247.54x = 328,294,641.55
  5. Step 5: Solve for x
    x = 328,294,641.55/20,247.54
  6. Step 6: Final answer
    x = 16,214.05

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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.