Home / 20,252.08-27,947.76-11,299.57

Finding the Fourth Proportional to 20,252.08, 27,947.76 and 11,299.57

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Solution

The fourth proportional to 20,252.08, 27,947.76 and 11,299.57 is: 15,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.08 : 27,947.76 = 11,299.57 : x
  2. Step 2: Convert to fraction form
    20,252.08/27,947.76 = 11,299.57/x
  3. Step 3: Cross multiply
    20,252.08x = 27,947.76 × 11,299.57
  4. Step 4: Simplify right side
    20,252.08x = 315,797,670.46
  5. Step 5: Solve for x
    x = 315,797,670.46/20,252.08
  6. Step 6: Final answer
    x = 15,593.35

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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.