Home / 16,688.54-23,028.62-9,972.83

Finding the Fourth Proportional to 16,688.54, 23,028.62 and 9,972.83

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Solution

The fourth proportional to 16,688.54, 23,028.62 and 9,972.83 is: 13,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.54 : 23,028.62 = 9,972.83 : x
  2. Step 2: Convert to fraction form
    16,688.54/23,028.62 = 9,972.83/x
  3. Step 3: Cross multiply
    16,688.54x = 23,028.62 × 9,972.83
  4. Step 4: Simplify right side
    16,688.54x = 229,660,347.39
  5. Step 5: Solve for x
    x = 229,660,347.39/16,688.54
  6. Step 6: Final answer
    x = 13,761.56

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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.