Home / 9,168.88-13,753.32-3,325.49

Finding the Fourth Proportional to 9,168.88, 13,753.32 and 3,325.49

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Solution

The fourth proportional to 9,168.88, 13,753.32 and 3,325.49 is: 4,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.88 : 13,753.32 = 3,325.49 : x
  2. Step 2: Convert to fraction form
    9,168.88/13,753.32 = 3,325.49/x
  3. Step 3: Cross multiply
    9,168.88x = 13,753.32 × 3,325.49
  4. Step 4: Simplify right side
    9,168.88x = 45,736,528.13
  5. Step 5: Solve for x
    x = 45,736,528.13/9,168.88
  6. Step 6: Final answer
    x = 4,988.24

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1.5x scale

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.