Home / 9,158.70-13,728.48-4,231.58

Finding the Fourth Proportional to 9,158.70, 13,728.48 and 4,231.58

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Solution

The fourth proportional to 9,158.70, 13,728.48 and 4,231.58 is: 6,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.70 : 13,728.48 = 4,231.58 : x
  2. Step 2: Convert to fraction form
    9,158.70/13,728.48 = 4,231.58/x
  3. Step 3: Cross multiply
    9,158.70x = 13,728.48 × 4,231.58
  4. Step 4: Simplify right side
    9,158.70x = 58,093,161.40
  5. Step 5: Solve for x
    x = 58,093,161.40/9,158.70
  6. Step 6: Final answer
    x = 6,342.95

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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.