Home / 18,291.96-27,417.20-8,410.84

Finding the Fourth Proportional to 18,291.96, 27,417.20 and 8,410.84

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Solution

The fourth proportional to 18,291.96, 27,417.20 and 8,410.84 is: 12,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.96 : 27,417.20 = 8,410.84 : x
  2. Step 2: Convert to fraction form
    18,291.96/27,417.20 = 8,410.84/x
  3. Step 3: Cross multiply
    18,291.96x = 27,417.20 × 8,410.84
  4. Step 4: Simplify right side
    18,291.96x = 230,601,682.45
  5. Step 5: Solve for x
    x = 230,601,682.45/18,291.96
  6. Step 6: Final answer
    x = 12,606.72

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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.