Home / 11,434.32-17,121.30-9,201.24

Finding the Fourth Proportional to 11,434.32, 17,121.30 and 9,201.24

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Solution

The fourth proportional to 11,434.32, 17,121.30 and 9,201.24 is: 13,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.32 : 17,121.30 = 9,201.24 : x
  2. Step 2: Convert to fraction form
    11,434.32/17,121.30 = 9,201.24/x
  3. Step 3: Cross multiply
    11,434.32x = 17,121.30 × 9,201.24
  4. Step 4: Simplify right side
    11,434.32x = 157,537,190.41
  5. Step 5: Solve for x
    x = 157,537,190.41/11,434.32
  6. Step 6: Final answer
    x = 13,777.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.