Home / 20,068.17-30,103.34-8,369.61

Finding the Fourth Proportional to 20,068.17, 30,103.34 and 8,369.61

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Solution

The fourth proportional to 20,068.17, 30,103.34 and 8,369.61 is: 12,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.17 : 30,103.34 = 8,369.61 : x
  2. Step 2: Convert to fraction form
    20,068.17/30,103.34 = 8,369.61/x
  3. Step 3: Cross multiply
    20,068.17x = 30,103.34 × 8,369.61
  4. Step 4: Simplify right side
    20,068.17x = 251,953,173.65
  5. Step 5: Solve for x
    x = 251,953,173.65/20,068.17
  6. Step 6: Final answer
    x = 12,554.87

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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.