Home / 14,613.75-21,920.75-4,225.59

Finding the Fourth Proportional to 14,613.75, 21,920.75 and 4,225.59

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Solution

The fourth proportional to 14,613.75, 21,920.75 and 4,225.59 is: 6,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.75 : 21,920.75 = 4,225.59 : x
  2. Step 2: Convert to fraction form
    14,613.75/21,920.75 = 4,225.59/x
  3. Step 3: Cross multiply
    14,613.75x = 21,920.75 × 4,225.59
  4. Step 4: Simplify right side
    14,613.75x = 92,628,080.86
  5. Step 5: Solve for x
    x = 92,628,080.86/14,613.75
  6. Step 6: Final answer
    x = 6,338.42

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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.