Home / 18,209.72-25,126.26-11,483.72

Finding the Fourth Proportional to 18,209.72, 25,126.26 and 11,483.72

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Solution

The fourth proportional to 18,209.72, 25,126.26 and 11,483.72 is: 15,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.72 : 25,126.26 = 11,483.72 : x
  2. Step 2: Convert to fraction form
    18,209.72/25,126.26 = 11,483.72/x
  3. Step 3: Cross multiply
    18,209.72x = 25,126.26 × 11,483.72
  4. Step 4: Simplify right side
    18,209.72x = 288,542,934.49
  5. Step 5: Solve for x
    x = 288,542,934.49/18,209.72
  6. Step 6: Final answer
    x = 15,845.54

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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.