Home / 19,778.18-27,293.02-10,825.85

Finding the Fourth Proportional to 19,778.18, 27,293.02 and 10,825.85

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Solution

The fourth proportional to 19,778.18, 27,293.02 and 10,825.85 is: 14,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.18 : 27,293.02 = 10,825.85 : x
  2. Step 2: Convert to fraction form
    19,778.18/27,293.02 = 10,825.85/x
  3. Step 3: Cross multiply
    19,778.18x = 27,293.02 × 10,825.85
  4. Step 4: Simplify right side
    19,778.18x = 295,470,181.73
  5. Step 5: Solve for x
    x = 295,470,181.73/19,778.18
  6. Step 6: Final answer
    x = 14,939.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.