Home / 9,168.30-12,652.46-5,189.42

Finding the Fourth Proportional to 9,168.30, 12,652.46 and 5,189.42

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Solution

The fourth proportional to 9,168.30, 12,652.46 and 5,189.42 is: 7,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.30 : 12,652.46 = 5,189.42 : x
  2. Step 2: Convert to fraction form
    9,168.30/12,652.46 = 5,189.42/x
  3. Step 3: Cross multiply
    9,168.30x = 12,652.46 × 5,189.42
  4. Step 4: Simplify right side
    9,168.30x = 65,658,928.97
  5. Step 5: Solve for x
    x = 65,658,928.97/9,168.30
  6. Step 6: Final answer
    x = 7,161.52

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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.