Home / 14,454.30-19,949.22-8,790.84

Finding the Fourth Proportional to 14,454.30, 19,949.22 and 8,790.84

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Solution

The fourth proportional to 14,454.30, 19,949.22 and 8,790.84 is: 12,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.30 : 19,949.22 = 8,790.84 : x
  2. Step 2: Convert to fraction form
    14,454.30/19,949.22 = 8,790.84/x
  3. Step 3: Cross multiply
    14,454.30x = 19,949.22 × 8,790.84
  4. Step 4: Simplify right side
    14,454.30x = 175,370,401.14
  5. Step 5: Solve for x
    x = 175,370,401.14/14,454.30
  6. Step 6: Final answer
    x = 12,132.75

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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.