Home / 19,244.20-28,875.90-10,930.60

Finding the Fourth Proportional to 19,244.20, 28,875.90 and 10,930.60

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Solution

The fourth proportional to 19,244.20, 28,875.90 and 10,930.60 is: 16,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244.20 : 28,875.90 = 10,930.60 : x
  2. Step 2: Convert to fraction form
    19,244.20/28,875.90 = 10,930.60/x
  3. Step 3: Cross multiply
    19,244.20x = 28,875.90 × 10,930.60
  4. Step 4: Simplify right side
    19,244.20x = 315,630,912.54
  5. Step 5: Solve for x
    x = 315,630,912.54/19,244.20
  6. Step 6: Final answer
    x = 16,401.35

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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.