Home / 18,733.76-28,099.68-5,586.24

Finding the Fourth Proportional to 18,733.76, 28,099.68 and 5,586.24

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Solution

The fourth proportional to 18,733.76, 28,099.68 and 5,586.24 is: 8,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.76 : 28,099.68 = 5,586.24 : x
  2. Step 2: Convert to fraction form
    18,733.76/28,099.68 = 5,586.24/x
  3. Step 3: Cross multiply
    18,733.76x = 28,099.68 × 5,586.24
  4. Step 4: Simplify right side
    18,733.76x = 156,971,556.40
  5. Step 5: Solve for x
    x = 156,971,556.40/18,733.76
  6. Step 6: Final answer
    x = 8,379.07

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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.