Home / 11,970.12-17,955.16-3,204.80

Finding the Fourth Proportional to 11,970.12, 17,955.16 and 3,204.80

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Solution

The fourth proportional to 11,970.12, 17,955.16 and 3,204.80 is: 4,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.12 : 17,955.16 = 3,204.80 : x
  2. Step 2: Convert to fraction form
    11,970.12/17,955.16 = 3,204.80/x
  3. Step 3: Cross multiply
    11,970.12x = 17,955.16 × 3,204.80
  4. Step 4: Simplify right side
    11,970.12x = 57,542,696.77
  5. Step 5: Solve for x
    x = 57,542,696.77/11,970.12
  6. Step 6: Final answer
    x = 4,807.19

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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.