Home / 11,288.91-15,563.30-7,512.24

Finding the Fourth Proportional to 11,288.91, 15,563.30 and 7,512.24

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Solution

The fourth proportional to 11,288.91, 15,563.30 and 7,512.24 is: 10,356.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.91 : 15,563.30 = 7,512.24 : x
  2. Step 2: Convert to fraction form
    11,288.91/15,563.30 = 7,512.24/x
  3. Step 3: Cross multiply
    11,288.91x = 15,563.30 × 7,512.24
  4. Step 4: Simplify right side
    11,288.91x = 116,915,207.23
  5. Step 5: Solve for x
    x = 116,915,207.23/11,288.91
  6. Step 6: Final answer
    x = 10,356.64

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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.