Home / 14,183.19-21,276.24-5,425.47

Finding the Fourth Proportional to 14,183.19, 21,276.24 and 5,425.47

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Solution

The fourth proportional to 14,183.19, 21,276.24 and 5,425.47 is: 8,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.19 : 21,276.24 = 5,425.47 : x
  2. Step 2: Convert to fraction form
    14,183.19/21,276.24 = 5,425.47/x
  3. Step 3: Cross multiply
    14,183.19x = 21,276.24 × 5,425.47
  4. Step 4: Simplify right side
    14,183.19x = 115,433,601.83
  5. Step 5: Solve for x
    x = 115,433,601.83/14,183.19
  6. Step 6: Final answer
    x = 8,138.76

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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.