Home / 14,104.45-21,161.10-8,488.25

Finding the Fourth Proportional to 14,104.45, 21,161.10 and 8,488.25

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Solution

The fourth proportional to 14,104.45, 21,161.10 and 8,488.25 is: 12,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.45 : 21,161.10 = 8,488.25 : x
  2. Step 2: Convert to fraction form
    14,104.45/21,161.10 = 8,488.25/x
  3. Step 3: Cross multiply
    14,104.45x = 21,161.10 × 8,488.25
  4. Step 4: Simplify right side
    14,104.45x = 179,620,707.08
  5. Step 5: Solve for x
    x = 179,620,707.08/14,104.45
  6. Step 6: Final answer
    x = 12,735.04

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1.5x scale

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.