Home / 14,690.82-20,276.07-8,403.18

Finding the Fourth Proportional to 14,690.82, 20,276.07 and 8,403.18

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Solution

The fourth proportional to 14,690.82, 20,276.07 and 8,403.18 is: 11,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.82 : 20,276.07 = 8,403.18 : x
  2. Step 2: Convert to fraction form
    14,690.82/20,276.07 = 8,403.18/x
  3. Step 3: Cross multiply
    14,690.82x = 20,276.07 × 8,403.18
  4. Step 4: Simplify right side
    14,690.82x = 170,383,465.90
  5. Step 5: Solve for x
    x = 170,383,465.90/14,690.82
  6. Step 6: Final answer
    x = 11,597.95

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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.