Home / 14,212.68-19,613.64-8,245.80

Finding the Fourth Proportional to 14,212.68, 19,613.64 and 8,245.80

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Solution

The fourth proportional to 14,212.68, 19,613.64 and 8,245.80 is: 11,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.68 : 19,613.64 = 8,245.80 : x
  2. Step 2: Convert to fraction form
    14,212.68/19,613.64 = 8,245.80/x
  3. Step 3: Cross multiply
    14,212.68x = 19,613.64 × 8,245.80
  4. Step 4: Simplify right side
    14,212.68x = 161,730,152.71
  5. Step 5: Solve for x
    x = 161,730,152.71/14,212.68
  6. Step 6: Final answer
    x = 11,379.29

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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.