Home / 13,226.24-18,250.44-9,683.12

Finding the Fourth Proportional to 13,226.24, 18,250.44 and 9,683.12

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Solution

The fourth proportional to 13,226.24, 18,250.44 and 9,683.12 is: 13,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.24 : 18,250.44 = 9,683.12 : x
  2. Step 2: Convert to fraction form
    13,226.24/18,250.44 = 9,683.12/x
  3. Step 3: Cross multiply
    13,226.24x = 18,250.44 × 9,683.12
  4. Step 4: Simplify right side
    13,226.24x = 176,721,200.57
  5. Step 5: Solve for x
    x = 176,721,200.57/13,226.24
  6. Step 6: Final answer
    x = 13,361.41

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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.