Home / 10,811.22-14,913.09-8,150.28

Finding the Fourth Proportional to 10,811.22, 14,913.09 and 8,150.28

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Solution

The fourth proportional to 10,811.22, 14,913.09 and 8,150.28 is: 11,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.22 : 14,913.09 = 8,150.28 : x
  2. Step 2: Convert to fraction form
    10,811.22/14,913.09 = 8,150.28/x
  3. Step 3: Cross multiply
    10,811.22x = 14,913.09 × 8,150.28
  4. Step 4: Simplify right side
    10,811.22x = 121,545,859.17
  5. Step 5: Solve for x
    x = 121,545,859.17/10,811.22
  6. Step 6: Final answer
    x = 11,242.57

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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.