Home / 19,611.24-29,392.56-9,201.12

Finding the Fourth Proportional to 19,611.24, 29,392.56 and 9,201.12

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Solution

The fourth proportional to 19,611.24, 29,392.56 and 9,201.12 is: 13,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.24 : 29,392.56 = 9,201.12 : x
  2. Step 2: Convert to fraction form
    19,611.24/29,392.56 = 9,201.12/x
  3. Step 3: Cross multiply
    19,611.24x = 29,392.56 × 9,201.12
  4. Step 4: Simplify right side
    19,611.24x = 270,444,471.67
  5. Step 5: Solve for x
    x = 270,444,471.67/19,611.24
  6. Step 6: Final answer
    x = 13,790.28

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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.