Home / 11,910.08-16,434.50-6,603.60

Finding the Fourth Proportional to 11,910.08, 16,434.50 and 6,603.60

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Solution

The fourth proportional to 11,910.08, 16,434.50 and 6,603.60 is: 9,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.08 : 16,434.50 = 6,603.60 : x
  2. Step 2: Convert to fraction form
    11,910.08/16,434.50 = 6,603.60/x
  3. Step 3: Cross multiply
    11,910.08x = 16,434.50 × 6,603.60
  4. Step 4: Simplify right side
    11,910.08x = 108,526,864.20
  5. Step 5: Solve for x
    x = 108,526,864.20/11,910.08
  6. Step 6: Final answer
    x = 9,112.19

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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.