Home / 21,087.37-31,636.56-6,296.29

Finding the Fourth Proportional to 21,087.37, 31,636.56 and 6,296.29

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Solution

The fourth proportional to 21,087.37, 31,636.56 and 6,296.29 is: 9,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,087.37 : 31,636.56 = 6,296.29 : x
  2. Step 2: Convert to fraction form
    21,087.37/31,636.56 = 6,296.29/x
  3. Step 3: Cross multiply
    21,087.37x = 31,636.56 × 6,296.29
  4. Step 4: Simplify right side
    21,087.37x = 199,192,956.36
  5. Step 5: Solve for x
    x = 199,192,956.36/21,087.37
  6. Step 6: Final answer
    x = 9,446.08

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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.