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Finding the Fourth Proportional to 11,603.03, 17,401.35 and 5,676.87

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Solution

The fourth proportional to 11,603.03, 17,401.35 and 5,676.87 is: 8,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.03 : 17,401.35 = 5,676.87 : x
  2. Step 2: Convert to fraction form
    11,603.03/17,401.35 = 5,676.87/x
  3. Step 3: Cross multiply
    11,603.03x = 17,401.35 × 5,676.87
  4. Step 4: Simplify right side
    11,603.03x = 98,785,114.77
  5. Step 5: Solve for x
    x = 98,785,114.77/11,603.03
  6. Step 6: Final answer
    x = 8,513.74

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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.