Home / 11,908.40-16,433.57-6,603.08

Finding the Fourth Proportional to 11,908.40, 16,433.57 and 6,603.08

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Solution

The fourth proportional to 11,908.40, 16,433.57 and 6,603.08 is: 9,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.40 : 16,433.57 = 6,603.08 : x
  2. Step 2: Convert to fraction form
    11,908.40/16,433.57 = 6,603.08/x
  3. Step 3: Cross multiply
    11,908.40x = 16,433.57 × 6,603.08
  4. Step 4: Simplify right side
    11,908.40x = 108,512,144.38
  5. Step 5: Solve for x
    x = 108,512,144.38/11,908.40
  6. Step 6: Final answer
    x = 9,112.24

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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.