Home / 13,321.92-18,376.97-9,282.35

Finding the Fourth Proportional to 13,321.92, 18,376.97 and 9,282.35

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Solution

The fourth proportional to 13,321.92, 18,376.97 and 9,282.35 is: 12,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321.92 : 18,376.97 = 9,282.35 : x
  2. Step 2: Convert to fraction form
    13,321.92/18,376.97 = 9,282.35/x
  3. Step 3: Cross multiply
    13,321.92x = 18,376.97 × 9,282.35
  4. Step 4: Simplify right side
    13,321.92x = 170,581,363.99
  5. Step 5: Solve for x
    x = 170,581,363.99/13,321.92
  6. Step 6: Final answer
    x = 12,804.57

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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.