Home / 9,319.86-13,979.76-3,773.16

Finding the Fourth Proportional to 9,319.86, 13,979.76 and 3,773.16

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Solution

The fourth proportional to 9,319.86, 13,979.76 and 3,773.16 is: 5,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.86 : 13,979.76 = 3,773.16 : x
  2. Step 2: Convert to fraction form
    9,319.86/13,979.76 = 3,773.16/x
  3. Step 3: Cross multiply
    9,319.86x = 13,979.76 × 3,773.16
  4. Step 4: Simplify right side
    9,319.86x = 52,747,871.24
  5. Step 5: Solve for x
    x = 52,747,871.24/9,319.86
  6. Step 6: Final answer
    x = 5,659.73

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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.