Home / 13,403.73-18,498.00-7,739.53

Finding the Fourth Proportional to 13,403.73, 18,498.00 and 7,739.53

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Solution

The fourth proportional to 13,403.73, 18,498.00 and 7,739.53 is: 10,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.73 : 18,498.00 = 7,739.53 : x
  2. Step 2: Convert to fraction form
    13,403.73/18,498.00 = 7,739.53/x
  3. Step 3: Cross multiply
    13,403.73x = 18,498.00 × 7,739.53
  4. Step 4: Simplify right side
    13,403.73x = 143,165,694.75
  5. Step 5: Solve for x
    x = 143,165,694.75/13,403.73
  6. Step 6: Final answer
    x = 10,681.03

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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.