Home / 21,678.73-32,508.90-6,883.69

Finding the Fourth Proportional to 21,678.73, 32,508.90 and 6,883.69

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Solution

The fourth proportional to 21,678.73, 32,508.90 and 6,883.69 is: 10,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678.73 : 32,508.90 = 6,883.69 : x
  2. Step 2: Convert to fraction form
    21,678.73/32,508.90 = 6,883.69/x
  3. Step 3: Cross multiply
    21,678.73x = 32,508.90 × 6,883.69
  4. Step 4: Simplify right side
    21,678.73x = 223,781,189.84
  5. Step 5: Solve for x
    x = 223,781,189.84/21,678.73
  6. Step 6: Final answer
    x = 10,322.62

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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.