Home / 10,653.66-15,979.92-4,079.34

Finding the Fourth Proportional to 10,653.66, 15,979.92 and 4,079.34

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Solution

The fourth proportional to 10,653.66, 15,979.92 and 4,079.34 is: 6,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.66 : 15,979.92 = 4,079.34 : x
  2. Step 2: Convert to fraction form
    10,653.66/15,979.92 = 4,079.34/x
  3. Step 3: Cross multiply
    10,653.66x = 15,979.92 × 4,079.34
  4. Step 4: Simplify right side
    10,653.66x = 65,187,526.85
  5. Step 5: Solve for x
    x = 65,187,526.85/10,653.66
  6. Step 6: Final answer
    x = 6,118.79

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1.5x scale

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.