Home / 21,818.16-32,743.53-8,493.26

Finding the Fourth Proportional to 21,818.16, 32,743.53 and 8,493.26

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Solution

The fourth proportional to 21,818.16, 32,743.53 and 8,493.26 is: 12,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.16 : 32,743.53 = 8,493.26 : x
  2. Step 2: Convert to fraction form
    21,818.16/32,743.53 = 8,493.26/x
  3. Step 3: Cross multiply
    21,818.16x = 32,743.53 × 8,493.26
  4. Step 4: Simplify right side
    21,818.16x = 278,099,149.89
  5. Step 5: Solve for x
    x = 278,099,149.89/21,818.16
  6. Step 6: Final answer
    x = 12,746.22

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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.