Home / 12,242.37-18,366.75-3,923.57

Finding the Fourth Proportional to 12,242.37, 18,366.75 and 3,923.57

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Solution

The fourth proportional to 12,242.37, 18,366.75 and 3,923.57 is: 5,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.37 : 18,366.75 = 3,923.57 : x
  2. Step 2: Convert to fraction form
    12,242.37/18,366.75 = 3,923.57/x
  3. Step 3: Cross multiply
    12,242.37x = 18,366.75 × 3,923.57
  4. Step 4: Simplify right side
    12,242.37x = 72,063,275.21
  5. Step 5: Solve for x
    x = 72,063,275.21/12,242.37
  6. Step 6: Final answer
    x = 5,886.38

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1.5x scale

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.