Home / 13,573.52-20,452.75-11,162.35

Finding the Fourth Proportional to 13,573.52, 20,452.75 and 11,162.35

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Solution

The fourth proportional to 13,573.52, 20,452.75 and 11,162.35 is: 16,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.52 : 20,452.75 = 11,162.35 : x
  2. Step 2: Convert to fraction form
    13,573.52/20,452.75 = 11,162.35/x
  3. Step 3: Cross multiply
    13,573.52x = 20,452.75 × 11,162.35
  4. Step 4: Simplify right side
    13,573.52x = 228,300,753.96
  5. Step 5: Solve for x
    x = 228,300,753.96/13,573.52
  6. Step 6: Final answer
    x = 16,819.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.