Home / 11,184.70-15,433.88-6,647.04

Finding the Fourth Proportional to 11,184.70, 15,433.88 and 6,647.04

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Solution

The fourth proportional to 11,184.70, 15,433.88 and 6,647.04 is: 9,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.70 : 15,433.88 = 6,647.04 : x
  2. Step 2: Convert to fraction form
    11,184.70/15,433.88 = 6,647.04/x
  3. Step 3: Cross multiply
    11,184.70x = 15,433.88 × 6,647.04
  4. Step 4: Simplify right side
    11,184.70x = 102,589,617.72
  5. Step 5: Solve for x
    x = 102,589,617.72/11,184.70
  6. Step 6: Final answer
    x = 9,172.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.