Home / 14,738.32-22,107.48-8,578

Finding the Fourth Proportional to 14,738.32, 22,107.48 and 8,578

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Solution

The fourth proportional to 14,738.32, 22,107.48 and 8,578 is: 12,867

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.32 : 22,107.48 = 8,578 : x
  2. Step 2: Convert to fraction form
    14,738.32/22,107.48 = 8,578/x
  3. Step 3: Cross multiply
    14,738.32x = 22,107.48 × 8,578
  4. Step 4: Simplify right side
    14,738.32x = 189,637,963.44
  5. Step 5: Solve for x
    x = 189,637,963.44/14,738.32
  6. Step 6: Final answer
    x = 12,867

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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.