Home / 14,083.76-21,124.82-4,223.22

Finding the Fourth Proportional to 14,083.76, 21,124.82 and 4,223.22

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Solution

The fourth proportional to 14,083.76, 21,124.82 and 4,223.22 is: 6,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.76 : 21,124.82 = 4,223.22 : x
  2. Step 2: Convert to fraction form
    14,083.76/21,124.82 = 4,223.22/x
  3. Step 3: Cross multiply
    14,083.76x = 21,124.82 × 4,223.22
  4. Step 4: Simplify right side
    14,083.76x = 89,214,741.20
  5. Step 5: Solve for x
    x = 89,214,741.20/14,083.76
  6. Step 6: Final answer
    x = 6,334.58

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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.