Home / 14,170.33-21,256.69-4,309.69

Finding the Fourth Proportional to 14,170.33, 21,256.69 and 4,309.69

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Solution

The fourth proportional to 14,170.33, 21,256.69 and 4,309.69 is: 6,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.33 : 21,256.69 = 4,309.69 : x
  2. Step 2: Convert to fraction form
    14,170.33/21,256.69 = 4,309.69/x
  3. Step 3: Cross multiply
    14,170.33x = 21,256.69 × 4,309.69
  4. Step 4: Simplify right side
    14,170.33x = 91,609,744.33
  5. Step 5: Solve for x
    x = 91,609,744.33/14,170.33
  6. Step 6: Final answer
    x = 6,464.90

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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.