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Finding the Fourth Proportional to 17,604.59, 26,408.09 and 5,124.71

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Solution

The fourth proportional to 17,604.59, 26,408.09 and 5,124.71 is: 7,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604.59 : 26,408.09 = 5,124.71 : x
  2. Step 2: Convert to fraction form
    17,604.59/26,408.09 = 5,124.71/x
  3. Step 3: Cross multiply
    17,604.59x = 26,408.09 × 5,124.71
  4. Step 4: Simplify right side
    17,604.59x = 135,333,881.74
  5. Step 5: Solve for x
    x = 135,333,881.74/17,604.59
  6. Step 6: Final answer
    x = 7,687.42

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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.