Home / 9,623.64-13,293.37-7,742.31

Finding the Fourth Proportional to 9,623.64, 13,293.37 and 7,742.31

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Solution

The fourth proportional to 9,623.64, 13,293.37 and 7,742.31 is: 10,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.64 : 13,293.37 = 7,742.31 : x
  2. Step 2: Convert to fraction form
    9,623.64/13,293.37 = 7,742.31/x
  3. Step 3: Cross multiply
    9,623.64x = 13,293.37 × 7,742.31
  4. Step 4: Simplify right side
    9,623.64x = 102,921,358.25
  5. Step 5: Solve for x
    x = 102,921,358.25/9,623.64
  6. Step 6: Final answer
    x = 10,694.64

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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.