Home / 20,011.93-30,045.24-11,253

Finding the Fourth Proportional to 20,011.93, 30,045.24 and 11,253

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Solution

The fourth proportional to 20,011.93, 30,045.24 and 11,253 is: 16,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.93 : 30,045.24 = 11,253 : x
  2. Step 2: Convert to fraction form
    20,011.93/30,045.24 = 11,253/x
  3. Step 3: Cross multiply
    20,011.93x = 30,045.24 × 11,253
  4. Step 4: Simplify right side
    20,011.93x = 338,099,085.72
  5. Step 5: Solve for x
    x = 338,099,085.72/20,011.93
  6. Step 6: Final answer
    x = 16,894.88

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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.