Home / 10,288.36-14,201.88-6,314.86

Finding the Fourth Proportional to 10,288.36, 14,201.88 and 6,314.86

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Solution

The fourth proportional to 10,288.36, 14,201.88 and 6,314.86 is: 8,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.36 : 14,201.88 = 6,314.86 : x
  2. Step 2: Convert to fraction form
    10,288.36/14,201.88 = 6,314.86/x
  3. Step 3: Cross multiply
    10,288.36x = 14,201.88 × 6,314.86
  4. Step 4: Simplify right side
    10,288.36x = 89,682,883.94
  5. Step 5: Solve for x
    x = 89,682,883.94/10,288.36
  6. Step 6: Final answer
    x = 8,716.93

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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.