Home / 9,318.06-12,863.21-5,783.36

Finding the Fourth Proportional to 9,318.06, 12,863.21 and 5,783.36

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Solution

The fourth proportional to 9,318.06, 12,863.21 and 5,783.36 is: 7,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.06 : 12,863.21 = 5,783.36 : x
  2. Step 2: Convert to fraction form
    9,318.06/12,863.21 = 5,783.36/x
  3. Step 3: Cross multiply
    9,318.06x = 12,863.21 × 5,783.36
  4. Step 4: Simplify right side
    9,318.06x = 74,392,556.49
  5. Step 5: Solve for x
    x = 74,392,556.49/9,318.06
  6. Step 6: Final answer
    x = 7,983.69

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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.