Home / 18,830.14-28,244.34-8,297.35

Finding the Fourth Proportional to 18,830.14, 28,244.34 and 8,297.35

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Solution

The fourth proportional to 18,830.14, 28,244.34 and 8,297.35 is: 12,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.14 : 28,244.34 = 8,297.35 : x
  2. Step 2: Convert to fraction form
    18,830.14/28,244.34 = 8,297.35/x
  3. Step 3: Cross multiply
    18,830.14x = 28,244.34 × 8,297.35
  4. Step 4: Simplify right side
    18,830.14x = 234,353,103.89
  5. Step 5: Solve for x
    x = 234,353,103.89/18,830.14
  6. Step 6: Final answer
    x = 12,445.64

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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.