Home / 14,578.72-20,117.97-8,922.88

Finding the Fourth Proportional to 14,578.72, 20,117.97 and 8,922.88

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Solution

The fourth proportional to 14,578.72, 20,117.97 and 8,922.88 is: 12,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.72 : 20,117.97 = 8,922.88 : x
  2. Step 2: Convert to fraction form
    14,578.72/20,117.97 = 8,922.88/x
  3. Step 3: Cross multiply
    14,578.72x = 20,117.97 × 8,922.88
  4. Step 4: Simplify right side
    14,578.72x = 179,510,232.15
  5. Step 5: Solve for x
    x = 179,510,232.15/14,578.72
  6. Step 6: Final answer
    x = 12,313.17

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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.