Home / 19,775.20-29,659.92-6,627.52

Finding the Fourth Proportional to 19,775.20, 29,659.92 and 6,627.52

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Solution

The fourth proportional to 19,775.20, 29,659.92 and 6,627.52 is: 9,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.20 : 29,659.92 = 6,627.52 : x
  2. Step 2: Convert to fraction form
    19,775.20/29,659.92 = 6,627.52/x
  3. Step 3: Cross multiply
    19,775.20x = 29,659.92 × 6,627.52
  4. Step 4: Simplify right side
    19,775.20x = 196,571,713.00
  5. Step 5: Solve for x
    x = 196,571,713.00/19,775.20
  6. Step 6: Final answer
    x = 9,940.31

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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.