Home / 14,440.79-21,611.90-12,103.44

Finding the Fourth Proportional to 14,440.79, 21,611.90 and 12,103.44

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Solution

The fourth proportional to 14,440.79, 21,611.90 and 12,103.44 is: 18,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.79 : 21,611.90 = 12,103.44 : x
  2. Step 2: Convert to fraction form
    14,440.79/21,611.90 = 12,103.44/x
  3. Step 3: Cross multiply
    14,440.79x = 21,611.90 × 12,103.44
  4. Step 4: Simplify right side
    14,440.79x = 261,578,226.88
  5. Step 5: Solve for x
    x = 261,578,226.88/14,440.79
  6. Step 6: Final answer
    x = 18,113.84

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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.