Home / 21,038.33-31,556.89-6,247.23

Finding the Fourth Proportional to 21,038.33, 31,556.89 and 6,247.23

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Solution

The fourth proportional to 21,038.33, 31,556.89 and 6,247.23 is: 9,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038.33 : 31,556.89 = 6,247.23 : x
  2. Step 2: Convert to fraction form
    21,038.33/31,556.89 = 6,247.23/x
  3. Step 3: Cross multiply
    21,038.33x = 31,556.89 × 6,247.23
  4. Step 4: Simplify right side
    21,038.33x = 197,143,039.39
  5. Step 5: Solve for x
    x = 197,143,039.39/21,038.33
  6. Step 6: Final answer
    x = 9,370.66

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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.