Home / 9,159.10-13,739.87-4,229.85

Finding the Fourth Proportional to 9,159.10, 13,739.87 and 4,229.85

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Solution

The fourth proportional to 9,159.10, 13,739.87 and 4,229.85 is: 6,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.10 : 13,739.87 = 4,229.85 : x
  2. Step 2: Convert to fraction form
    9,159.10/13,739.87 = 4,229.85/x
  3. Step 3: Cross multiply
    9,159.10x = 13,739.87 × 4,229.85
  4. Step 4: Simplify right side
    9,159.10x = 58,117,589.12
  5. Step 5: Solve for x
    x = 58,117,589.12/9,159.10
  6. Step 6: Final answer
    x = 6,345.34

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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.