Home / 15,916.77-21,965.82-8,843.22

Finding the Fourth Proportional to 15,916.77, 21,965.82 and 8,843.22

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Solution

The fourth proportional to 15,916.77, 21,965.82 and 8,843.22 is: 12,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.77 : 21,965.82 = 8,843.22 : x
  2. Step 2: Convert to fraction form
    15,916.77/21,965.82 = 8,843.22/x
  3. Step 3: Cross multiply
    15,916.77x = 21,965.82 × 8,843.22
  4. Step 4: Simplify right side
    15,916.77x = 194,248,578.74
  5. Step 5: Solve for x
    x = 194,248,578.74/15,916.77
  6. Step 6: Final answer
    x = 12,204.02

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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.