Home / 14,169.58-21,255.40-4,308.83

Finding the Fourth Proportional to 14,169.58, 21,255.40 and 4,308.83

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Solution

The fourth proportional to 14,169.58, 21,255.40 and 4,308.83 is: 6,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.58 : 21,255.40 = 4,308.83 : x
  2. Step 2: Convert to fraction form
    14,169.58/21,255.40 = 4,308.83/x
  3. Step 3: Cross multiply
    14,169.58x = 21,255.40 × 4,308.83
  4. Step 4: Simplify right side
    14,169.58x = 91,585,859.76
  5. Step 5: Solve for x
    x = 91,585,859.76/14,169.58
  6. Step 6: Final answer
    x = 6,463.55

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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.