Home / 9,429.56-14,144.34-3,879.02

Finding the Fourth Proportional to 9,429.56, 14,144.34 and 3,879.02

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Solution

The fourth proportional to 9,429.56, 14,144.34 and 3,879.02 is: 5,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.56 : 14,144.34 = 3,879.02 : x
  2. Step 2: Convert to fraction form
    9,429.56/14,144.34 = 3,879.02/x
  3. Step 3: Cross multiply
    9,429.56x = 14,144.34 × 3,879.02
  4. Step 4: Simplify right side
    9,429.56x = 54,866,177.75
  5. Step 5: Solve for x
    x = 54,866,177.75/9,429.56
  6. Step 6: Final answer
    x = 5,818.53

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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.