Home / 21,903.45-32,851.58-6,109.56

Finding the Fourth Proportional to 21,903.45, 32,851.58 and 6,109.56

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Solution

The fourth proportional to 21,903.45, 32,851.58 and 6,109.56 is: 9,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903.45 : 32,851.58 = 6,109.56 : x
  2. Step 2: Convert to fraction form
    21,903.45/32,851.58 = 6,109.56/x
  3. Step 3: Cross multiply
    21,903.45x = 32,851.58 × 6,109.56
  4. Step 4: Simplify right side
    21,903.45x = 200,708,534.85
  5. Step 5: Solve for x
    x = 200,708,534.85/21,903.45
  6. Step 6: Final answer
    x = 9,163.33

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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.