Home / 15,514.92-21,409.95-8,441.37

Finding the Fourth Proportional to 15,514.92, 21,409.95 and 8,441.37

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Solution

The fourth proportional to 15,514.92, 21,409.95 and 8,441.37 is: 11,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.92 : 21,409.95 = 8,441.37 : x
  2. Step 2: Convert to fraction form
    15,514.92/21,409.95 = 8,441.37/x
  3. Step 3: Cross multiply
    15,514.92x = 21,409.95 × 8,441.37
  4. Step 4: Simplify right side
    15,514.92x = 180,729,309.63
  5. Step 5: Solve for x
    x = 180,729,309.63/15,514.92
  6. Step 6: Final answer
    x = 11,648.74

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Double scale
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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.