Home / 17,980.31-26,970.71-6,887.56

Finding the Fourth Proportional to 17,980.31, 26,970.71 and 6,887.56

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Solution

The fourth proportional to 17,980.31, 26,970.71 and 6,887.56 is: 10,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.31 : 26,970.71 = 6,887.56 : x
  2. Step 2: Convert to fraction form
    17,980.31/26,970.71 = 6,887.56/x
  3. Step 3: Cross multiply
    17,980.31x = 26,970.71 × 6,887.56
  4. Step 4: Simplify right side
    17,980.31x = 185,762,383.37
  5. Step 5: Solve for x
    x = 185,762,383.37/17,980.31
  6. Step 6: Final answer
    x = 10,331.43

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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.