Home / 23,218.98-32,042.32-13,149.38

Finding the Fourth Proportional to 23,218.98, 32,042.32 and 13,149.38

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Solution

The fourth proportional to 23,218.98, 32,042.32 and 13,149.38 is: 18,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,218.98 : 32,042.32 = 13,149.38 : x
  2. Step 2: Convert to fraction form
    23,218.98/32,042.32 = 13,149.38/x
  3. Step 3: Cross multiply
    23,218.98x = 32,042.32 × 13,149.38
  4. Step 4: Simplify right side
    23,218.98x = 421,336,688.99
  5. Step 5: Solve for x
    x = 421,336,688.99/23,218.98
  6. Step 6: Final answer
    x = 18,146.22

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1.5x scale

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.