Home / 12,448.58-17,178.83-6,783.37

Finding the Fourth Proportional to 12,448.58, 17,178.83 and 6,783.37

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Solution

The fourth proportional to 12,448.58, 17,178.83 and 6,783.37 is: 9,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.58 : 17,178.83 = 6,783.37 : x
  2. Step 2: Convert to fraction form
    12,448.58/17,178.83 = 6,783.37/x
  3. Step 3: Cross multiply
    12,448.58x = 17,178.83 × 6,783.37
  4. Step 4: Simplify right side
    12,448.58x = 116,530,283.19
  5. Step 5: Solve for x
    x = 116,530,283.19/12,448.58
  6. Step 6: Final answer
    x = 9,360.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.