Home / 17,980.44-26,970.88-6,887.79

Finding the Fourth Proportional to 17,980.44, 26,970.88 and 6,887.79

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Solution

The fourth proportional to 17,980.44, 26,970.88 and 6,887.79 is: 10,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.44 : 26,970.88 = 6,887.79 : x
  2. Step 2: Convert to fraction form
    17,980.44/26,970.88 = 6,887.79/x
  3. Step 3: Cross multiply
    17,980.44x = 26,970.88 × 6,887.79
  4. Step 4: Simplify right side
    17,980.44x = 185,769,757.56
  5. Step 5: Solve for x
    x = 185,769,757.56/17,980.44
  6. Step 6: Final answer
    x = 10,331.77

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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.