Home / 21,861.24-32,784.87-9,377.91

Finding the Fourth Proportional to 21,861.24, 32,784.87 and 9,377.91

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Solution

The fourth proportional to 21,861.24, 32,784.87 and 9,377.91 is: 14,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.24 : 32,784.87 = 9,377.91 : x
  2. Step 2: Convert to fraction form
    21,861.24/32,784.87 = 9,377.91/x
  3. Step 3: Cross multiply
    21,861.24x = 32,784.87 × 9,377.91
  4. Step 4: Simplify right side
    21,861.24x = 307,453,513.33
  5. Step 5: Solve for x
    x = 307,453,513.33/21,861.24
  6. Step 6: Final answer
    x = 14,063.87

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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.