Home / 13,355.28-20,032.92-5,558.63

Finding the Fourth Proportional to 13,355.28, 20,032.92 and 5,558.63

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Solution

The fourth proportional to 13,355.28, 20,032.92 and 5,558.63 is: 8,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.28 : 20,032.92 = 5,558.63 : x
  2. Step 2: Convert to fraction form
    13,355.28/20,032.92 = 5,558.63/x
  3. Step 3: Cross multiply
    13,355.28x = 20,032.92 × 5,558.63
  4. Step 4: Simplify right side
    13,355.28x = 111,355,489.94
  5. Step 5: Solve for x
    x = 111,355,489.94/13,355.28
  6. Step 6: Final answer
    x = 8,337.94

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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.