Home / 14,180.23-19,569.85-8,212

Finding the Fourth Proportional to 14,180.23, 19,569.85 and 8,212

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Solution

The fourth proportional to 14,180.23, 19,569.85 and 8,212 is: 11,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.23 : 19,569.85 = 8,212 : x
  2. Step 2: Convert to fraction form
    14,180.23/19,569.85 = 8,212/x
  3. Step 3: Cross multiply
    14,180.23x = 19,569.85 × 8,212
  4. Step 4: Simplify right side
    14,180.23x = 160,707,608.20
  5. Step 5: Solve for x
    x = 160,707,608.20/14,180.23
  6. Step 6: Final answer
    x = 11,333.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.