Home / 14,104.80-21,189.60-9,730.80

Finding the Fourth Proportional to 14,104.80, 21,189.60 and 9,730.80

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Solution

The fourth proportional to 14,104.80, 21,189.60 and 9,730.80 is: 14,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.80 : 21,189.60 = 9,730.80 : x
  2. Step 2: Convert to fraction form
    14,104.80/21,189.60 = 9,730.80/x
  3. Step 3: Cross multiply
    14,104.80x = 21,189.60 × 9,730.80
  4. Step 4: Simplify right side
    14,104.80x = 206,191,759.68
  5. Step 5: Solve for x
    x = 206,191,759.68/14,104.80
  6. Step 6: Final answer
    x = 14,618.55

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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.