Home / 21,014.01-31,510.74-6,969.33

Finding the Fourth Proportional to 21,014.01, 31,510.74 and 6,969.33

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Solution

The fourth proportional to 21,014.01, 31,510.74 and 6,969.33 is: 10,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.01 : 31,510.74 = 6,969.33 : x
  2. Step 2: Convert to fraction form
    21,014.01/31,510.74 = 6,969.33/x
  3. Step 3: Cross multiply
    21,014.01x = 31,510.74 × 6,969.33
  4. Step 4: Simplify right side
    21,014.01x = 219,608,745.60
  5. Step 5: Solve for x
    x = 219,608,745.60/21,014.01
  6. Step 6: Final answer
    x = 10,450.59

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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.