Home / 14,342.10-21,512.67-5,578.68

Finding the Fourth Proportional to 14,342.10, 21,512.67 and 5,578.68

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Solution

The fourth proportional to 14,342.10, 21,512.67 and 5,578.68 is: 8,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.10 : 21,512.67 = 5,578.68 : x
  2. Step 2: Convert to fraction form
    14,342.10/21,512.67 = 5,578.68/x
  3. Step 3: Cross multiply
    14,342.10x = 21,512.67 × 5,578.68
  4. Step 4: Simplify right side
    14,342.10x = 120,012,301.88
  5. Step 5: Solve for x
    x = 120,012,301.88/14,342.10
  6. Step 6: Final answer
    x = 8,367.83

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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.