Home / 15,391.92-21,232.52-10,296.24

Finding the Fourth Proportional to 15,391.92, 21,232.52 and 10,296.24

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Solution

The fourth proportional to 15,391.92, 21,232.52 and 10,296.24 is: 14,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.92 : 21,232.52 = 10,296.24 : x
  2. Step 2: Convert to fraction form
    15,391.92/21,232.52 = 10,296.24/x
  3. Step 3: Cross multiply
    15,391.92x = 21,232.52 × 10,296.24
  4. Step 4: Simplify right side
    15,391.92x = 218,615,121.72
  5. Step 5: Solve for x
    x = 218,615,121.72/15,391.92
  6. Step 6: Final answer
    x = 14,203.24

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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.