Home / 11,970.79-17,954.73-3,206.39

Finding the Fourth Proportional to 11,970.79, 17,954.73 and 3,206.39

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Solution

The fourth proportional to 11,970.79, 17,954.73 and 3,206.39 is: 4,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.79 : 17,954.73 = 3,206.39 : x
  2. Step 2: Convert to fraction form
    11,970.79/17,954.73 = 3,206.39/x
  3. Step 3: Cross multiply
    11,970.79x = 17,954.73 × 3,206.39
  4. Step 4: Simplify right side
    11,970.79x = 57,569,776.95
  5. Step 5: Solve for x
    x = 57,569,776.95/11,970.79
  6. Step 6: Final answer
    x = 4,809.19

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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.