Home / 14,169.29-21,256.97-4,309.36

Finding the Fourth Proportional to 14,169.29, 21,256.97 and 4,309.36

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Solution

The fourth proportional to 14,169.29, 21,256.97 and 4,309.36 is: 6,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.29 : 21,256.97 = 4,309.36 : x
  2. Step 2: Convert to fraction form
    14,169.29/21,256.97 = 4,309.36/x
  3. Step 3: Cross multiply
    14,169.29x = 21,256.97 × 4,309.36
  4. Step 4: Simplify right side
    14,169.29x = 91,603,861.55
  5. Step 5: Solve for x
    x = 91,603,861.55/14,169.29
  6. Step 6: Final answer
    x = 6,464.96

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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.