Home / 15,578.80-23,371.29-5,718.17

Finding the Fourth Proportional to 15,578.80, 23,371.29 and 5,718.17

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Solution

The fourth proportional to 15,578.80, 23,371.29 and 5,718.17 is: 8,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.80 : 23,371.29 = 5,718.17 : x
  2. Step 2: Convert to fraction form
    15,578.80/23,371.29 = 5,718.17/x
  3. Step 3: Cross multiply
    15,578.80x = 23,371.29 × 5,718.17
  4. Step 4: Simplify right side
    15,578.80x = 133,641,067.77
  5. Step 5: Solve for x
    x = 133,641,067.77/15,578.80
  6. Step 6: Final answer
    x = 8,578.39

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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.