Home / 12,759.47-19,117.33-10,135.07

Finding the Fourth Proportional to 12,759.47, 19,117.33 and 10,135.07

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Solution

The fourth proportional to 12,759.47, 19,117.33 and 10,135.07 is: 15,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.47 : 19,117.33 = 10,135.07 : x
  2. Step 2: Convert to fraction form
    12,759.47/19,117.33 = 10,135.07/x
  3. Step 3: Cross multiply
    12,759.47x = 19,117.33 × 10,135.07
  4. Step 4: Simplify right side
    12,759.47x = 193,755,356.84
  5. Step 5: Solve for x
    x = 193,755,356.84/12,759.47
  6. Step 6: Final answer
    x = 15,185.23

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