Home / 14,906.20-22,359.30-9,940.90

Finding the Fourth Proportional to 14,906.20, 22,359.30 and 9,940.90

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Solution

The fourth proportional to 14,906.20, 22,359.30 and 9,940.90 is: 14,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.20 : 22,359.30 = 9,940.90 : x
  2. Step 2: Convert to fraction form
    14,906.20/22,359.30 = 9,940.90/x
  3. Step 3: Cross multiply
    14,906.20x = 22,359.30 × 9,940.90
  4. Step 4: Simplify right side
    14,906.20x = 222,271,565.37
  5. Step 5: Solve for x
    x = 222,271,565.37/14,906.20
  6. Step 6: Final answer
    x = 14,911.35

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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.