Home / 21,651.21-32,480.46-7,610.67

Finding the Fourth Proportional to 21,651.21, 32,480.46 and 7,610.67

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Solution

The fourth proportional to 21,651.21, 32,480.46 and 7,610.67 is: 11,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651.21 : 32,480.46 = 7,610.67 : x
  2. Step 2: Convert to fraction form
    21,651.21/32,480.46 = 7,610.67/x
  3. Step 3: Cross multiply
    21,651.21x = 32,480.46 × 7,610.67
  4. Step 4: Simplify right side
    21,651.21x = 247,198,062.51
  5. Step 5: Solve for x
    x = 247,198,062.51/21,651.21
  6. Step 6: Final answer
    x = 11,417.29

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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.