Home / 16,471.02-22,743.11-15,211.61

Finding the Fourth Proportional to 16,471.02, 22,743.11 and 15,211.61

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Solution

The fourth proportional to 16,471.02, 22,743.11 and 15,211.61 is: 21,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,471.02 : 22,743.11 = 15,211.61 : x
  2. Step 2: Convert to fraction form
    16,471.02/22,743.11 = 15,211.61/x
  3. Step 3: Cross multiply
    16,471.02x = 22,743.11 × 15,211.61
  4. Step 4: Simplify right side
    16,471.02x = 345,959,319.51
  5. Step 5: Solve for x
    x = 345,959,319.51/16,471.02
  6. Step 6: Final answer
    x = 21,004.12

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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.