Home / 21,236.05-31,853.27-6,444.37

Finding the Fourth Proportional to 21,236.05, 31,853.27 and 6,444.37

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Solution

The fourth proportional to 21,236.05, 31,853.27 and 6,444.37 is: 9,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,236.05 : 31,853.27 = 6,444.37 : x
  2. Step 2: Convert to fraction form
    21,236.05/31,853.27 = 6,444.37/x
  3. Step 3: Cross multiply
    21,236.05x = 31,853.27 × 6,444.37
  4. Step 4: Simplify right side
    21,236.05x = 205,274,257.59
  5. Step 5: Solve for x
    x = 205,274,257.59/21,236.05
  6. Step 6: Final answer
    x = 9,666.31

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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.