Home / 10,719.72-16,079.58-3,324

Finding the Fourth Proportional to 10,719.72, 16,079.58 and 3,324

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Solution

The fourth proportional to 10,719.72, 16,079.58 and 3,324 is: 4,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.72 : 16,079.58 = 3,324 : x
  2. Step 2: Convert to fraction form
    10,719.72/16,079.58 = 3,324/x
  3. Step 3: Cross multiply
    10,719.72x = 16,079.58 × 3,324
  4. Step 4: Simplify right side
    10,719.72x = 53,448,523.92
  5. Step 5: Solve for x
    x = 53,448,523.92/10,719.72
  6. Step 6: Final answer
    x = 4,986.00

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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.