Home / 18,323.64-25,286.61-10,365.69

Finding the Fourth Proportional to 18,323.64, 25,286.61 and 10,365.69

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Solution

The fourth proportional to 18,323.64, 25,286.61 and 10,365.69 is: 14,304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.64 : 25,286.61 = 10,365.69 : x
  2. Step 2: Convert to fraction form
    18,323.64/25,286.61 = 10,365.69/x
  3. Step 3: Cross multiply
    18,323.64x = 25,286.61 × 10,365.69
  4. Step 4: Simplify right side
    18,323.64x = 262,113,160.41
  5. Step 5: Solve for x
    x = 262,113,160.41/18,323.64
  6. Step 6: Final answer
    x = 14,304.64

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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.