Home / 11,211.73-16,820.24-6,284.77

Finding the Fourth Proportional to 11,211.73, 16,820.24 and 6,284.77

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Solution

The fourth proportional to 11,211.73, 16,820.24 and 6,284.77 is: 9,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.73 : 16,820.24 = 6,284.77 : x
  2. Step 2: Convert to fraction form
    11,211.73/16,820.24 = 6,284.77/x
  3. Step 3: Cross multiply
    11,211.73x = 16,820.24 × 6,284.77
  4. Step 4: Simplify right side
    11,211.73x = 105,711,266.27
  5. Step 5: Solve for x
    x = 105,711,266.27/11,211.73
  6. Step 6: Final answer
    x = 9,428.63

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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.