Home / 10,418.04-15,620.90-4,181.00

Finding the Fourth Proportional to 10,418.04, 15,620.90 and 4,181.00

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Solution

The fourth proportional to 10,418.04, 15,620.90 and 4,181.00 is: 6,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.04 : 15,620.90 = 4,181.00 : x
  2. Step 2: Convert to fraction form
    10,418.04/15,620.90 = 4,181.00/x
  3. Step 3: Cross multiply
    10,418.04x = 15,620.90 × 4,181.00
  4. Step 4: Simplify right side
    10,418.04x = 65,310,883.89
  5. Step 5: Solve for x
    x = 65,310,883.89/10,418.04
  6. Step 6: Final answer
    x = 6,269.02

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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.