Home / 15,578.33-21,497.28-8,863.82

Finding the Fourth Proportional to 15,578.33, 21,497.28 and 8,863.82

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Solution

The fourth proportional to 15,578.33, 21,497.28 and 8,863.82 is: 12,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.33 : 21,497.28 = 8,863.82 : x
  2. Step 2: Convert to fraction form
    15,578.33/21,497.28 = 8,863.82/x
  3. Step 3: Cross multiply
    15,578.33x = 21,497.28 × 8,863.82
  4. Step 4: Simplify right side
    15,578.33x = 190,547,912.92
  5. Step 5: Solve for x
    x = 190,547,912.92/15,578.33
  6. Step 6: Final answer
    x = 12,231.60

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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.