Home / 11,851.76-17,775.60-4,353.80

Finding the Fourth Proportional to 11,851.76, 17,775.60 and 4,353.80

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Solution

The fourth proportional to 11,851.76, 17,775.60 and 4,353.80 is: 6,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.76 : 17,775.60 = 4,353.80 : x
  2. Step 2: Convert to fraction form
    11,851.76/17,775.60 = 4,353.80/x
  3. Step 3: Cross multiply
    11,851.76x = 17,775.60 × 4,353.80
  4. Step 4: Simplify right side
    11,851.76x = 77,391,407.28
  5. Step 5: Solve for x
    x = 77,391,407.28/11,851.76
  6. Step 6: Final answer
    x = 6,529.95

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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.