Home / 18,864.79-28,297.22-5,717.27

Finding the Fourth Proportional to 18,864.79, 28,297.22 and 5,717.27

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Solution

The fourth proportional to 18,864.79, 28,297.22 and 5,717.27 is: 8,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.79 : 28,297.22 = 5,717.27 : x
  2. Step 2: Convert to fraction form
    18,864.79/28,297.22 = 5,717.27/x
  3. Step 3: Cross multiply
    18,864.79x = 28,297.22 × 5,717.27
  4. Step 4: Simplify right side
    18,864.79x = 161,782,889.15
  5. Step 5: Solve for x
    x = 161,782,889.15/18,864.79
  6. Step 6: Final answer
    x = 8,575.92

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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.