Home / 14,193.92-21,302.22-8,355.44

Finding the Fourth Proportional to 14,193.92, 21,302.22 and 8,355.44

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Solution

The fourth proportional to 14,193.92, 21,302.22 and 8,355.44 is: 12,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.92 : 21,302.22 = 8,355.44 : x
  2. Step 2: Convert to fraction form
    14,193.92/21,302.22 = 8,355.44/x
  3. Step 3: Cross multiply
    14,193.92x = 21,302.22 × 8,355.44
  4. Step 4: Simplify right side
    14,193.92x = 177,989,421.08
  5. Step 5: Solve for x
    x = 177,989,421.08/14,193.92
  6. Step 6: Final answer
    x = 12,539.84

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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.