Home / 22,208.46-30,647.30-12,136.68

Finding the Fourth Proportional to 22,208.46, 30,647.30 and 12,136.68

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Solution

The fourth proportional to 22,208.46, 30,647.30 and 12,136.68 is: 16,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.46 : 30,647.30 = 12,136.68 : x
  2. Step 2: Convert to fraction form
    22,208.46/30,647.30 = 12,136.68/x
  3. Step 3: Cross multiply
    22,208.46x = 30,647.30 × 12,136.68
  4. Step 4: Simplify right side
    22,208.46x = 371,956,472.96
  5. Step 5: Solve for x
    x = 371,956,472.96/22,208.46
  6. Step 6: Final answer
    x = 16,748.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.