Home / 12,329.89-18,491.19-4,536.88

Finding the Fourth Proportional to 12,329.89, 18,491.19 and 4,536.88

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Solution

The fourth proportional to 12,329.89, 18,491.19 and 4,536.88 is: 6,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.89 : 18,491.19 = 4,536.88 : x
  2. Step 2: Convert to fraction form
    12,329.89/18,491.19 = 4,536.88/x
  3. Step 3: Cross multiply
    12,329.89x = 18,491.19 × 4,536.88
  4. Step 4: Simplify right side
    12,329.89x = 83,892,310.09
  5. Step 5: Solve for x
    x = 83,892,310.09/12,329.89
  6. Step 6: Final answer
    x = 6,803.98

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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.