Home / 13,208.54-19,815.77-4,443.19

Finding the Fourth Proportional to 13,208.54, 19,815.77 and 4,443.19

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Solution

The fourth proportional to 13,208.54, 19,815.77 and 4,443.19 is: 6,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.54 : 19,815.77 = 4,443.19 : x
  2. Step 2: Convert to fraction form
    13,208.54/19,815.77 = 4,443.19/x
  3. Step 3: Cross multiply
    13,208.54x = 19,815.77 × 4,443.19
  4. Step 4: Simplify right side
    13,208.54x = 88,045,192.67
  5. Step 5: Solve for x
    x = 88,045,192.67/13,208.54
  6. Step 6: Final answer
    x = 6,665.78

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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.