Home / 11,603.46-16,012.81-6,298.28

Finding the Fourth Proportional to 11,603.46, 16,012.81 and 6,298.28

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Solution

The fourth proportional to 11,603.46, 16,012.81 and 6,298.28 is: 8,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.46 : 16,012.81 = 6,298.28 : x
  2. Step 2: Convert to fraction form
    11,603.46/16,012.81 = 6,298.28/x
  3. Step 3: Cross multiply
    11,603.46x = 16,012.81 × 6,298.28
  4. Step 4: Simplify right side
    11,603.46x = 100,853,160.97
  5. Step 5: Solve for x
    x = 100,853,160.97/11,603.46
  6. Step 6: Final answer
    x = 8,691.65

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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.