Home / 11,603.38-16,012.98-6,298.21

Finding the Fourth Proportional to 11,603.38, 16,012.98 and 6,298.21

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Solution

The fourth proportional to 11,603.38, 16,012.98 and 6,298.21 is: 8,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.38 : 16,012.98 = 6,298.21 : x
  2. Step 2: Convert to fraction form
    11,603.38/16,012.98 = 6,298.21/x
  3. Step 3: Cross multiply
    11,603.38x = 16,012.98 × 6,298.21
  4. Step 4: Simplify right side
    11,603.38x = 100,853,110.77
  5. Step 5: Solve for x
    x = 100,853,110.77/11,603.38
  6. Step 6: Final answer
    x = 8,691.70

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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.