Home / 11,177.07-16,749.20-5,622.78

Finding the Fourth Proportional to 11,177.07, 16,749.20 and 5,622.78

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Solution

The fourth proportional to 11,177.07, 16,749.20 and 5,622.78 is: 8,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.07 : 16,749.20 = 5,622.78 : x
  2. Step 2: Convert to fraction form
    11,177.07/16,749.20 = 5,622.78/x
  3. Step 3: Cross multiply
    11,177.07x = 16,749.20 × 5,622.78
  4. Step 4: Simplify right side
    11,177.07x = 94,177,038.66
  5. Step 5: Solve for x
    x = 94,177,038.66/11,177.07
  6. Step 6: Final answer
    x = 8,425.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.