Home / 21,659.81-32,489.57-8,836.93

Finding the Fourth Proportional to 21,659.81, 32,489.57 and 8,836.93

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Solution

The fourth proportional to 21,659.81, 32,489.57 and 8,836.93 is: 13,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.81 : 32,489.57 = 8,836.93 : x
  2. Step 2: Convert to fraction form
    21,659.81/32,489.57 = 8,836.93/x
  3. Step 3: Cross multiply
    21,659.81x = 32,489.57 × 8,836.93
  4. Step 4: Simplify right side
    21,659.81x = 287,107,996.69
  5. Step 5: Solve for x
    x = 287,107,996.69/21,659.81
  6. Step 6: Final answer
    x = 13,255.33

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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.