Home / 11,973.48-17,960.31-4,478.73

Finding the Fourth Proportional to 11,973.48, 17,960.31 and 4,478.73

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Solution

The fourth proportional to 11,973.48, 17,960.31 and 4,478.73 is: 6,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.48 : 17,960.31 = 4,478.73 : x
  2. Step 2: Convert to fraction form
    11,973.48/17,960.31 = 4,478.73/x
  3. Step 3: Cross multiply
    11,973.48x = 17,960.31 × 4,478.73
  4. Step 4: Simplify right side
    11,973.48x = 80,439,379.21
  5. Step 5: Solve for x
    x = 80,439,379.21/11,973.48
  6. Step 6: Final answer
    x = 6,718.13

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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.