Home / 20,007.67-30,000.30-12,596.17

Finding the Fourth Proportional to 20,007.67, 30,000.30 and 12,596.17

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Solution

The fourth proportional to 20,007.67, 30,000.30 and 12,596.17 is: 18,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.67 : 30,000.30 = 12,596.17 : x
  2. Step 2: Convert to fraction form
    20,007.67/30,000.30 = 12,596.17/x
  3. Step 3: Cross multiply
    20,007.67x = 30,000.30 × 12,596.17
  4. Step 4: Simplify right side
    20,007.67x = 377,888,878.85
  5. Step 5: Solve for x
    x = 377,888,878.85/20,007.67
  6. Step 6: Final answer
    x = 18,887.20

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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.