Home / 13,315.96-18,367.50-8,012.44

Finding the Fourth Proportional to 13,315.96, 18,367.50 and 8,012.44

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Solution

The fourth proportional to 13,315.96, 18,367.50 and 8,012.44 is: 11,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.96 : 18,367.50 = 8,012.44 : x
  2. Step 2: Convert to fraction form
    13,315.96/18,367.50 = 8,012.44/x
  3. Step 3: Cross multiply
    13,315.96x = 18,367.50 × 8,012.44
  4. Step 4: Simplify right side
    13,315.96x = 147,168,491.70
  5. Step 5: Solve for x
    x = 147,168,491.70/13,315.96
  6. Step 6: Final answer
    x = 11,052.04

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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.