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Finding the Fourth Proportional to 14,906.88, 22,358.88 and 4,518.72

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Solution

The fourth proportional to 14,906.88, 22,358.88 and 4,518.72 is: 6,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.88 : 22,358.88 = 4,518.72 : x
  2. Step 2: Convert to fraction form
    14,906.88/22,358.88 = 4,518.72/x
  3. Step 3: Cross multiply
    14,906.88x = 22,358.88 × 4,518.72
  4. Step 4: Simplify right side
    14,906.88x = 101,033,518.23
  5. Step 5: Solve for x
    x = 101,033,518.23/14,906.88
  6. Step 6: Final answer
    x = 6,777.64

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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.