Home / 21,104.29-31,657.49-6,313.33

Finding the Fourth Proportional to 21,104.29, 31,657.49 and 6,313.33

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Solution

The fourth proportional to 21,104.29, 31,657.49 and 6,313.33 is: 9,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104.29 : 31,657.49 = 6,313.33 : x
  2. Step 2: Convert to fraction form
    21,104.29/31,657.49 = 6,313.33/x
  3. Step 3: Cross multiply
    21,104.29x = 31,657.49 × 6,313.33
  4. Step 4: Simplify right side
    21,104.29x = 199,863,991.49
  5. Step 5: Solve for x
    x = 199,863,991.49/21,104.29
  6. Step 6: Final answer
    x = 9,470.30

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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.