Home / 14,613.56-20,165.96-8,239.98

Finding the Fourth Proportional to 14,613.56, 20,165.96 and 8,239.98

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Solution

The fourth proportional to 14,613.56, 20,165.96 and 8,239.98 is: 11,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.56 : 20,165.96 = 8,239.98 : x
  2. Step 2: Convert to fraction form
    14,613.56/20,165.96 = 8,239.98/x
  3. Step 3: Cross multiply
    14,613.56x = 20,165.96 × 8,239.98
  4. Step 4: Simplify right side
    14,613.56x = 166,167,089.87
  5. Step 5: Solve for x
    x = 166,167,089.87/14,613.56
  6. Step 6: Final answer
    x = 11,370.74

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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.