Home / 13,633.72-20,475.24-12,536.08

Finding the Fourth Proportional to 13,633.72, 20,475.24 and 12,536.08

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Solution

The fourth proportional to 13,633.72, 20,475.24 and 12,536.08 is: 18,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.72 : 20,475.24 = 12,536.08 : x
  2. Step 2: Convert to fraction form
    13,633.72/20,475.24 = 12,536.08/x
  3. Step 3: Cross multiply
    13,633.72x = 20,475.24 × 12,536.08
  4. Step 4: Simplify right side
    13,633.72x = 256,679,246.66
  5. Step 5: Solve for x
    x = 256,679,246.66/13,633.72
  6. Step 6: Final answer
    x = 18,826.79

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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.