Home / 10,878.74-16,324.58-3,953.78

Finding the Fourth Proportional to 10,878.74, 16,324.58 and 3,953.78

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Solution

The fourth proportional to 10,878.74, 16,324.58 and 3,953.78 is: 5,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.74 : 16,324.58 = 3,953.78 : x
  2. Step 2: Convert to fraction form
    10,878.74/16,324.58 = 3,953.78/x
  3. Step 3: Cross multiply
    10,878.74x = 16,324.58 × 3,953.78
  4. Step 4: Simplify right side
    10,878.74x = 64,543,696.52
  5. Step 5: Solve for x
    x = 64,543,696.52/10,878.74
  6. Step 6: Final answer
    x = 5,933.01

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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.