Home / 9,143.37-13,713.30-4,458.65

Finding the Fourth Proportional to 9,143.37, 13,713.30 and 4,458.65

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Solution

The fourth proportional to 9,143.37, 13,713.30 and 4,458.65 is: 6,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.37 : 13,713.30 = 4,458.65 : x
  2. Step 2: Convert to fraction form
    9,143.37/13,713.30 = 4,458.65/x
  3. Step 3: Cross multiply
    9,143.37x = 13,713.30 × 4,458.65
  4. Step 4: Simplify right side
    9,143.37x = 61,142,736.48
  5. Step 5: Solve for x
    x = 61,142,736.48/9,143.37
  6. Step 6: Final answer
    x = 6,687.11

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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.