Home / 14,205.78-21,309.66-4,344.30

Finding the Fourth Proportional to 14,205.78, 21,309.66 and 4,344.30

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Solution

The fourth proportional to 14,205.78, 21,309.66 and 4,344.30 is: 6,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.78 : 21,309.66 = 4,344.30 : x
  2. Step 2: Convert to fraction form
    14,205.78/21,309.66 = 4,344.30/x
  3. Step 3: Cross multiply
    14,205.78x = 21,309.66 × 4,344.30
  4. Step 4: Simplify right side
    14,205.78x = 92,575,555.94
  5. Step 5: Solve for x
    x = 92,575,555.94/14,205.78
  6. Step 6: Final answer
    x = 6,516.75

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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.