Home / 13,293.64-18,346.92-7,629.36

Finding the Fourth Proportional to 13,293.64, 18,346.92 and 7,629.36

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Solution

The fourth proportional to 13,293.64, 18,346.92 and 7,629.36 is: 10,529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.64 : 18,346.92 = 7,629.36 : x
  2. Step 2: Convert to fraction form
    13,293.64/18,346.92 = 7,629.36/x
  3. Step 3: Cross multiply
    13,293.64x = 18,346.92 × 7,629.36
  4. Step 4: Simplify right side
    13,293.64x = 139,975,257.57
  5. Step 5: Solve for x
    x = 139,975,257.57/13,293.64
  6. Step 6: Final answer
    x = 10,529.49

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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.