Home / 19,572.42-29,366.86-12,183.06

Finding the Fourth Proportional to 19,572.42, 29,366.86 and 12,183.06

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Solution

The fourth proportional to 19,572.42, 29,366.86 and 12,183.06 is: 18,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.42 : 29,366.86 = 12,183.06 : x
  2. Step 2: Convert to fraction form
    19,572.42/29,366.86 = 12,183.06/x
  3. Step 3: Cross multiply
    19,572.42x = 29,366.86 × 12,183.06
  4. Step 4: Simplify right side
    19,572.42x = 357,778,217.39
  5. Step 5: Solve for x
    x = 357,778,217.39/19,572.42
  6. Step 6: Final answer
    x = 18,279.71

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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.