Home / 13,073.92-19,613.31-4,309.45

Finding the Fourth Proportional to 13,073.92, 19,613.31 and 4,309.45

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Solution

The fourth proportional to 13,073.92, 19,613.31 and 4,309.45 is: 6,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.92 : 19,613.31 = 4,309.45 : x
  2. Step 2: Convert to fraction form
    13,073.92/19,613.31 = 4,309.45/x
  3. Step 3: Cross multiply
    13,073.92x = 19,613.31 × 4,309.45
  4. Step 4: Simplify right side
    13,073.92x = 84,522,578.78
  5. Step 5: Solve for x
    x = 84,522,578.78/13,073.92
  6. Step 6: Final answer
    x = 6,464.98

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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.