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Finding the Fourth Proportional to 17,606.21, 26,410.22 and 4,458.69

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Solution

The fourth proportional to 17,606.21, 26,410.22 and 4,458.69 is: 6,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,606.21 : 26,410.22 = 4,458.69 : x
  2. Step 2: Convert to fraction form
    17,606.21/26,410.22 = 4,458.69/x
  3. Step 3: Cross multiply
    17,606.21x = 26,410.22 × 4,458.69
  4. Step 4: Simplify right side
    17,606.21x = 117,754,961.52
  5. Step 5: Solve for x
    x = 117,754,961.52/17,606.21
  6. Step 6: Final answer
    x = 6,688.26

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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.