Home / 12,445.73-18,667.99-4,653.94

Finding the Fourth Proportional to 12,445.73, 18,667.99 and 4,653.94

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Solution

The fourth proportional to 12,445.73, 18,667.99 and 4,653.94 is: 6,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.73 : 18,667.99 = 4,653.94 : x
  2. Step 2: Convert to fraction form
    12,445.73/18,667.99 = 4,653.94/x
  3. Step 3: Cross multiply
    12,445.73x = 18,667.99 × 4,653.94
  4. Step 4: Simplify right side
    12,445.73x = 86,879,647.08
  5. Step 5: Solve for x
    x = 86,879,647.08/12,445.73
  6. Step 6: Final answer
    x = 6,980.68

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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.