Home / 10,719.30-16,079.58-4,145.52

Finding the Fourth Proportional to 10,719.30, 16,079.58 and 4,145.52

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Solution

The fourth proportional to 10,719.30, 16,079.58 and 4,145.52 is: 6,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.30 : 16,079.58 = 4,145.52 : x
  2. Step 2: Convert to fraction form
    10,719.30/16,079.58 = 4,145.52/x
  3. Step 3: Cross multiply
    10,719.30x = 16,079.58 × 4,145.52
  4. Step 4: Simplify right side
    10,719.30x = 66,658,220.48
  5. Step 5: Solve for x
    x = 66,658,220.48/10,719.30
  6. Step 6: Final answer
    x = 6,218.52

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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.