Home / 21,004.89-31,512.38-6,012.23

Finding the Fourth Proportional to 21,004.89, 31,512.38 and 6,012.23

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Solution

The fourth proportional to 21,004.89, 31,512.38 and 6,012.23 is: 9,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004.89 : 31,512.38 = 6,012.23 : x
  2. Step 2: Convert to fraction form
    21,004.89/31,512.38 = 6,012.23/x
  3. Step 3: Cross multiply
    21,004.89x = 31,512.38 × 6,012.23
  4. Step 4: Simplify right side
    21,004.89x = 189,459,488.78
  5. Step 5: Solve for x
    x = 189,459,488.78/21,004.89
  6. Step 6: Final answer
    x = 9,019.78

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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.