Home / 19,799.10-29,693.86-7,320.54

Finding the Fourth Proportional to 19,799.10, 29,693.86 and 7,320.54

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Solution

The fourth proportional to 19,799.10, 29,693.86 and 7,320.54 is: 10,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.10 : 29,693.86 = 7,320.54 : x
  2. Step 2: Convert to fraction form
    19,799.10/29,693.86 = 7,320.54/x
  3. Step 3: Cross multiply
    19,799.10x = 29,693.86 × 7,320.54
  4. Step 4: Simplify right side
    19,799.10x = 217,375,182.94
  5. Step 5: Solve for x
    x = 217,375,182.94/19,799.10
  6. Step 6: Final answer
    x = 10,979.04

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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.