Home / 12,303.41-18,451.27-3,981.71

Finding the Fourth Proportional to 12,303.41, 18,451.27 and 3,981.71

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Solution

The fourth proportional to 12,303.41, 18,451.27 and 3,981.71 is: 5,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.41 : 18,451.27 = 3,981.71 : x
  2. Step 2: Convert to fraction form
    12,303.41/18,451.27 = 3,981.71/x
  3. Step 3: Cross multiply
    12,303.41x = 18,451.27 × 3,981.71
  4. Step 4: Simplify right side
    12,303.41x = 73,467,542.39
  5. Step 5: Solve for x
    x = 73,467,542.39/12,303.41
  6. Step 6: Final answer
    x = 5,971.32

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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.