Home / 13,299.75-18,340.02-8,763.62

Finding the Fourth Proportional to 13,299.75, 18,340.02 and 8,763.62

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Solution

The fourth proportional to 13,299.75, 18,340.02 and 8,763.62 is: 12,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.75 : 18,340.02 = 8,763.62 : x
  2. Step 2: Convert to fraction form
    13,299.75/18,340.02 = 8,763.62/x
  3. Step 3: Cross multiply
    13,299.75x = 18,340.02 × 8,763.62
  4. Step 4: Simplify right side
    13,299.75x = 160,724,874.37
  5. Step 5: Solve for x
    x = 160,724,874.37/13,299.75
  6. Step 6: Final answer
    x = 12,084.80

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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.