Home / 16,804.80-23,189.25-9,731.68

Finding the Fourth Proportional to 16,804.80, 23,189.25 and 9,731.68

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Solution

The fourth proportional to 16,804.80, 23,189.25 and 9,731.68 is: 13,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.80 : 23,189.25 = 9,731.68 : x
  2. Step 2: Convert to fraction form
    16,804.80/23,189.25 = 9,731.68/x
  3. Step 3: Cross multiply
    16,804.80x = 23,189.25 × 9,731.68
  4. Step 4: Simplify right side
    16,804.80x = 225,670,360.44
  5. Step 5: Solve for x
    x = 225,670,360.44/16,804.80
  6. Step 6: Final answer
    x = 13,428.92

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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.