Home / 19,760.36-29,627.52-11,845.04

Finding the Fourth Proportional to 19,760.36, 29,627.52 and 11,845.04

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Solution

The fourth proportional to 19,760.36, 29,627.52 and 11,845.04 is: 17,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.36 : 29,627.52 = 11,845.04 : x
  2. Step 2: Convert to fraction form
    19,760.36/29,627.52 = 11,845.04/x
  3. Step 3: Cross multiply
    19,760.36x = 29,627.52 × 11,845.04
  4. Step 4: Simplify right side
    19,760.36x = 350,939,159.50
  5. Step 5: Solve for x
    x = 350,939,159.50/19,760.36
  6. Step 6: Final answer
    x = 17,759.76

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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.