Home / 22,120.04-30,524.58-12,558.67

Finding the Fourth Proportional to 22,120.04, 30,524.58 and 12,558.67

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Solution

The fourth proportional to 22,120.04, 30,524.58 and 12,558.67 is: 17,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.04 : 30,524.58 = 12,558.67 : x
  2. Step 2: Convert to fraction form
    22,120.04/30,524.58 = 12,558.67/x
  3. Step 3: Cross multiply
    22,120.04x = 30,524.58 × 12,558.67
  4. Step 4: Simplify right side
    22,120.04x = 383,348,136.65
  5. Step 5: Solve for x
    x = 383,348,136.65/22,120.04
  6. Step 6: Final answer
    x = 17,330.36

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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.