Home / 12,457.54-18,684.48-4,137.37

Finding the Fourth Proportional to 12,457.54, 18,684.48 and 4,137.37

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Solution

The fourth proportional to 12,457.54, 18,684.48 and 4,137.37 is: 6,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.54 : 18,684.48 = 4,137.37 : x
  2. Step 2: Convert to fraction form
    12,457.54/18,684.48 = 4,137.37/x
  3. Step 3: Cross multiply
    12,457.54x = 18,684.48 × 4,137.37
  4. Step 4: Simplify right side
    12,457.54x = 77,304,560.31
  5. Step 5: Solve for x
    x = 77,304,560.31/12,457.54
  6. Step 6: Final answer
    x = 6,205.44

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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.