Home / 10,222.02-15,333.90-2,826.48

Finding the Fourth Proportional to 10,222.02, 15,333.90 and 2,826.48

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Solution

The fourth proportional to 10,222.02, 15,333.90 and 2,826.48 is: 4,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.02 : 15,333.90 = 2,826.48 : x
  2. Step 2: Convert to fraction form
    10,222.02/15,333.90 = 2,826.48/x
  3. Step 3: Cross multiply
    10,222.02x = 15,333.90 × 2,826.48
  4. Step 4: Simplify right side
    10,222.02x = 43,340,961.67
  5. Step 5: Solve for x
    x = 43,340,961.67/10,222.02
  6. Step 6: Final answer
    x = 4,239.96

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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.