Home / 21,789.93-32,686.04-6,997.69

Finding the Fourth Proportional to 21,789.93, 32,686.04 and 6,997.69

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Solution

The fourth proportional to 21,789.93, 32,686.04 and 6,997.69 is: 10,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789.93 : 32,686.04 = 6,997.69 : x
  2. Step 2: Convert to fraction form
    21,789.93/32,686.04 = 6,997.69/x
  3. Step 3: Cross multiply
    21,789.93x = 32,686.04 × 6,997.69
  4. Step 4: Simplify right side
    21,789.93x = 228,726,775.25
  5. Step 5: Solve for x
    x = 228,726,775.25/21,789.93
  6. Step 6: Final answer
    x = 10,496.90

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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.