Home / 16,455.19-22,684.54-11,731.27

Finding the Fourth Proportional to 16,455.19, 22,684.54 and 11,731.27

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Solution

The fourth proportional to 16,455.19, 22,684.54 and 11,731.27 is: 16,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.19 : 22,684.54 = 11,731.27 : x
  2. Step 2: Convert to fraction form
    16,455.19/22,684.54 = 11,731.27/x
  3. Step 3: Cross multiply
    16,455.19x = 22,684.54 × 11,731.27
  4. Step 4: Simplify right side
    16,455.19x = 266,118,291.49
  5. Step 5: Solve for x
    x = 266,118,291.49/16,455.19
  6. Step 6: Final answer
    x = 16,172.31

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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.