Home / 21,499.67-32,236.97-8,336.66

Finding the Fourth Proportional to 21,499.67, 32,236.97 and 8,336.66

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Solution

The fourth proportional to 21,499.67, 32,236.97 and 8,336.66 is: 12,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,499.67 : 32,236.97 = 8,336.66 : x
  2. Step 2: Convert to fraction form
    21,499.67/32,236.97 = 8,336.66/x
  3. Step 3: Cross multiply
    21,499.67x = 32,236.97 × 8,336.66
  4. Step 4: Simplify right side
    21,499.67x = 268,748,658.32
  5. Step 5: Solve for x
    x = 268,748,658.32/21,499.67
  6. Step 6: Final answer
    x = 12,500.13

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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.