Home / 12,536.21-18,805.25-4,216.25

Finding the Fourth Proportional to 12,536.21, 18,805.25 and 4,216.25

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Solution

The fourth proportional to 12,536.21, 18,805.25 and 4,216.25 is: 6,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.21 : 18,805.25 = 4,216.25 : x
  2. Step 2: Convert to fraction form
    12,536.21/18,805.25 = 4,216.25/x
  3. Step 3: Cross multiply
    12,536.21x = 18,805.25 × 4,216.25
  4. Step 4: Simplify right side
    12,536.21x = 79,287,541.29
  5. Step 5: Solve for x
    x = 79,287,541.29/12,536.21
  6. Step 6: Final answer
    x = 6,324.68

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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.