Home / 20,671.73-31,025.59-11,804.81

Finding the Fourth Proportional to 20,671.73, 31,025.59 and 11,804.81

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Solution

The fourth proportional to 20,671.73, 31,025.59 and 11,804.81 is: 17,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671.73 : 31,025.59 = 11,804.81 : x
  2. Step 2: Convert to fraction form
    20,671.73/31,025.59 = 11,804.81/x
  3. Step 3: Cross multiply
    20,671.73x = 31,025.59 × 11,804.81
  4. Step 4: Simplify right side
    20,671.73x = 366,251,136.06
  5. Step 5: Solve for x
    x = 366,251,136.06/20,671.73
  6. Step 6: Final answer
    x = 17,717.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.