Home / 15,183.79-22,727.05-8,146.51

Finding the Fourth Proportional to 15,183.79, 22,727.05 and 8,146.51

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Solution

The fourth proportional to 15,183.79, 22,727.05 and 8,146.51 is: 12,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.79 : 22,727.05 = 8,146.51 : x
  2. Step 2: Convert to fraction form
    15,183.79/22,727.05 = 8,146.51/x
  3. Step 3: Cross multiply
    15,183.79x = 22,727.05 × 8,146.51
  4. Step 4: Simplify right side
    15,183.79x = 185,146,062.91
  5. Step 5: Solve for x
    x = 185,146,062.91/15,183.79
  6. Step 6: Final answer
    x = 12,193.67

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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.