Home / 13,334.40-18,395.64-8,299.44

Finding the Fourth Proportional to 13,334.40, 18,395.64 and 8,299.44

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Solution

The fourth proportional to 13,334.40, 18,395.64 and 8,299.44 is: 11,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.40 : 18,395.64 = 8,299.44 : x
  2. Step 2: Convert to fraction form
    13,334.40/18,395.64 = 8,299.44/x
  3. Step 3: Cross multiply
    13,334.40x = 18,395.64 × 8,299.44
  4. Step 4: Simplify right side
    13,334.40x = 152,673,510.44
  5. Step 5: Solve for x
    x = 152,673,510.44/13,334.40
  6. Step 6: Final answer
    x = 11,449.60

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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.