Home / 14,496.60-21,771.30-12,682.20

Finding the Fourth Proportional to 14,496.60, 21,771.30 and 12,682.20

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Solution

The fourth proportional to 14,496.60, 21,771.30 and 12,682.20 is: 19,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,496.60 : 21,771.30 = 12,682.20 : x
  2. Step 2: Convert to fraction form
    14,496.60/21,771.30 = 12,682.20/x
  3. Step 3: Cross multiply
    14,496.60x = 21,771.30 × 12,682.20
  4. Step 4: Simplify right side
    14,496.60x = 276,107,980.86
  5. Step 5: Solve for x
    x = 276,107,980.86/14,496.60
  6. Step 6: Final answer
    x = 19,046.40

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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.