Home / 11,687.03-16,130.18-6,906.77

Finding the Fourth Proportional to 11,687.03, 16,130.18 and 6,906.77

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Solution

The fourth proportional to 11,687.03, 16,130.18 and 6,906.77 is: 9,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.03 : 16,130.18 = 6,906.77 : x
  2. Step 2: Convert to fraction form
    11,687.03/16,130.18 = 6,906.77/x
  3. Step 3: Cross multiply
    11,687.03x = 16,130.18 × 6,906.77
  4. Step 4: Simplify right side
    11,687.03x = 111,407,443.32
  5. Step 5: Solve for x
    x = 111,407,443.32/11,687.03
  6. Step 6: Final answer
    x = 9,532.57

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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.