Home / 10,745.17-16,120.08-4,420.08

Finding the Fourth Proportional to 10,745.17, 16,120.08 and 4,420.08

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Solution

The fourth proportional to 10,745.17, 16,120.08 and 4,420.08 is: 6,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.17 : 16,120.08 = 4,420.08 : x
  2. Step 2: Convert to fraction form
    10,745.17/16,120.08 = 4,420.08/x
  3. Step 3: Cross multiply
    10,745.17x = 16,120.08 × 4,420.08
  4. Step 4: Simplify right side
    10,745.17x = 71,252,043.21
  5. Step 5: Solve for x
    x = 71,252,043.21/10,745.17
  6. Step 6: Final answer
    x = 6,631.08

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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.