Home / 17,983.56-26,975.60-6,890.81

Finding the Fourth Proportional to 17,983.56, 26,975.60 and 6,890.81

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Solution

The fourth proportional to 17,983.56, 26,975.60 and 6,890.81 is: 10,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.56 : 26,975.60 = 6,890.81 : x
  2. Step 2: Convert to fraction form
    17,983.56/26,975.60 = 6,890.81/x
  3. Step 3: Cross multiply
    17,983.56x = 26,975.60 × 6,890.81
  4. Step 4: Simplify right side
    17,983.56x = 185,883,699.78
  5. Step 5: Solve for x
    x = 185,883,699.78/17,983.56
  6. Step 6: Final answer
    x = 10,336.31

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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.