Home / 10,012.69-15,021.06-2,992.87

Finding the Fourth Proportional to 10,012.69, 15,021.06 and 2,992.87

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Solution

The fourth proportional to 10,012.69, 15,021.06 and 2,992.87 is: 4,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.69 : 15,021.06 = 2,992.87 : x
  2. Step 2: Convert to fraction form
    10,012.69/15,021.06 = 2,992.87/x
  3. Step 3: Cross multiply
    10,012.69x = 15,021.06 × 2,992.87
  4. Step 4: Simplify right side
    10,012.69x = 44,956,079.84
  5. Step 5: Solve for x
    x = 44,956,079.84/10,012.69
  6. Step 6: Final answer
    x = 4,489.91

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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.