Home / 14,941.20-20,618.80-8,226.64

Finding the Fourth Proportional to 14,941.20, 20,618.80 and 8,226.64

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Solution

The fourth proportional to 14,941.20, 20,618.80 and 8,226.64 is: 11,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,941.20 : 20,618.80 = 8,226.64 : x
  2. Step 2: Convert to fraction form
    14,941.20/20,618.80 = 8,226.64/x
  3. Step 3: Cross multiply
    14,941.20x = 20,618.80 × 8,226.64
  4. Step 4: Simplify right side
    14,941.20x = 169,623,444.83
  5. Step 5: Solve for x
    x = 169,623,444.83/14,941.20
  6. Step 6: Final answer
    x = 11,352.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.