Home / 21,786.76-32,679.06-6,996.40

Finding the Fourth Proportional to 21,786.76, 32,679.06 and 6,996.40

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Solution

The fourth proportional to 21,786.76, 32,679.06 and 6,996.40 is: 10,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.76 : 32,679.06 = 6,996.40 : x
  2. Step 2: Convert to fraction form
    21,786.76/32,679.06 = 6,996.40/x
  3. Step 3: Cross multiply
    21,786.76x = 32,679.06 × 6,996.40
  4. Step 4: Simplify right side
    21,786.76x = 228,635,775.38
  5. Step 5: Solve for x
    x = 228,635,775.38/21,786.76
  6. Step 6: Final answer
    x = 10,494.25

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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.