Home / 12,973.97-19,463.69-4,208.20

Finding the Fourth Proportional to 12,973.97, 19,463.69 and 4,208.20

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Solution

The fourth proportional to 12,973.97, 19,463.69 and 4,208.20 is: 6,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.97 : 19,463.69 = 4,208.20 : x
  2. Step 2: Convert to fraction form
    12,973.97/19,463.69 = 4,208.20/x
  3. Step 3: Cross multiply
    12,973.97x = 19,463.69 × 4,208.20
  4. Step 4: Simplify right side
    12,973.97x = 81,907,171.60
  5. Step 5: Solve for x
    x = 81,907,171.60/12,973.97
  6. Step 6: Final answer
    x = 6,313.19

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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.