Home / 12,367.38-18,440.75-10,993.62

Finding the Fourth Proportional to 12,367.38, 18,440.75 and 10,993.62

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Solution

The fourth proportional to 12,367.38, 18,440.75 and 10,993.62 is: 16,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.38 : 18,440.75 = 10,993.62 : x
  2. Step 2: Convert to fraction form
    12,367.38/18,440.75 = 10,993.62/x
  3. Step 3: Cross multiply
    12,367.38x = 18,440.75 × 10,993.62
  4. Step 4: Simplify right side
    12,367.38x = 202,730,598.02
  5. Step 5: Solve for x
    x = 202,730,598.02/12,367.38
  6. Step 6: Final answer
    x = 16,392.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.