Home / 11,603.82-16,013.28-6,298.64

Finding the Fourth Proportional to 11,603.82, 16,013.28 and 6,298.64

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Solution

The fourth proportional to 11,603.82, 16,013.28 and 6,298.64 is: 8,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.82 : 16,013.28 = 6,298.64 : x
  2. Step 2: Convert to fraction form
    11,603.82/16,013.28 = 6,298.64/x
  3. Step 3: Cross multiply
    11,603.82x = 16,013.28 × 6,298.64
  4. Step 4: Simplify right side
    11,603.82x = 100,861,885.94
  5. Step 5: Solve for x
    x = 100,861,885.94/11,603.82
  6. Step 6: Final answer
    x = 8,692.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.