Home / 12,536.99-18,806.41-4,216.97

Finding the Fourth Proportional to 12,536.99, 18,806.41 and 4,216.97

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Solution

The fourth proportional to 12,536.99, 18,806.41 and 4,216.97 is: 6,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.99 : 18,806.41 = 4,216.97 : x
  2. Step 2: Convert to fraction form
    12,536.99/18,806.41 = 4,216.97/x
  3. Step 3: Cross multiply
    12,536.99x = 18,806.41 × 4,216.97
  4. Step 4: Simplify right side
    12,536.99x = 79,306,066.78
  5. Step 5: Solve for x
    x = 79,306,066.78/12,536.99
  6. Step 6: Final answer
    x = 6,325.77

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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.