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Finding the Fourth Proportional to 17,603.94, 26,408.10 and 5,758.92

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Solution

The fourth proportional to 17,603.94, 26,408.10 and 5,758.92 is: 8,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.94 : 26,408.10 = 5,758.92 : x
  2. Step 2: Convert to fraction form
    17,603.94/26,408.10 = 5,758.92/x
  3. Step 3: Cross multiply
    17,603.94x = 26,408.10 × 5,758.92
  4. Step 4: Simplify right side
    17,603.94x = 152,082,135.25
  5. Step 5: Solve for x
    x = 152,082,135.25/17,603.94
  6. Step 6: Final answer
    x = 8,639.10

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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.