Home / 11,211.31-16,819.02-4,638.01

Finding the Fourth Proportional to 11,211.31, 16,819.02 and 4,638.01

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Solution

The fourth proportional to 11,211.31, 16,819.02 and 4,638.01 is: 6,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.31 : 16,819.02 = 4,638.01 : x
  2. Step 2: Convert to fraction form
    11,211.31/16,819.02 = 4,638.01/x
  3. Step 3: Cross multiply
    11,211.31x = 16,819.02 × 4,638.01
  4. Step 4: Simplify right side
    11,211.31x = 78,006,782.95
  5. Step 5: Solve for x
    x = 78,006,782.95/11,211.31
  6. Step 6: Final answer
    x = 6,957.87

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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.