Home / 19,063.98-28,615.34-9,211.55

Finding the Fourth Proportional to 19,063.98, 28,615.34 and 9,211.55

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Solution

The fourth proportional to 19,063.98, 28,615.34 and 9,211.55 is: 13,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.98 : 28,615.34 = 9,211.55 : x
  2. Step 2: Convert to fraction form
    19,063.98/28,615.34 = 9,211.55/x
  3. Step 3: Cross multiply
    19,063.98x = 28,615.34 × 9,211.55
  4. Step 4: Simplify right side
    19,063.98x = 263,591,635.18
  5. Step 5: Solve for x
    x = 263,591,635.18/19,063.98
  6. Step 6: Final answer
    x = 13,826.68

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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.