Home / 8,927.68-13,389.60-5,636.38

Finding the Fourth Proportional to 8,927.68, 13,389.60 and 5,636.38

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Solution

The fourth proportional to 8,927.68, 13,389.60 and 5,636.38 is: 8,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.68 : 13,389.60 = 5,636.38 : x
  2. Step 2: Convert to fraction form
    8,927.68/13,389.60 = 5,636.38/x
  3. Step 3: Cross multiply
    8,927.68x = 13,389.60 × 5,636.38
  4. Step 4: Simplify right side
    8,927.68x = 75,468,873.65
  5. Step 5: Solve for x
    x = 75,468,873.65/8,927.68
  6. Step 6: Final answer
    x = 8,453.36

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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.