Home / 21,903.21-32,854.34-6,107.81

Finding the Fourth Proportional to 21,903.21, 32,854.34 and 6,107.81

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Solution

The fourth proportional to 21,903.21, 32,854.34 and 6,107.81 is: 9,161.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903.21 : 32,854.34 = 6,107.81 : x
  2. Step 2: Convert to fraction form
    21,903.21/32,854.34 = 6,107.81/x
  3. Step 3: Cross multiply
    21,903.21x = 32,854.34 × 6,107.81
  4. Step 4: Simplify right side
    21,903.21x = 200,668,197.86
  5. Step 5: Solve for x
    x = 200,668,197.86/21,903.21
  6. Step 6: Final answer
    x = 9,161.59

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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.