Home / 17,774.05-26,644.60-6,688.09

Finding the Fourth Proportional to 17,774.05, 26,644.60 and 6,688.09

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Solution

The fourth proportional to 17,774.05, 26,644.60 and 6,688.09 is: 10,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,774.05 : 26,644.60 = 6,688.09 : x
  2. Step 2: Convert to fraction form
    17,774.05/26,644.60 = 6,688.09/x
  3. Step 3: Cross multiply
    17,774.05x = 26,644.60 × 6,688.09
  4. Step 4: Simplify right side
    17,774.05x = 178,201,336.98
  5. Step 5: Solve for x
    x = 178,201,336.98/17,774.05
  6. Step 6: Final answer
    x = 10,025.93

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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.