Home / 13,204.37-18,219.71-7,536.53

Finding the Fourth Proportional to 13,204.37, 18,219.71 and 7,536.53

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Solution

The fourth proportional to 13,204.37, 18,219.71 and 7,536.53 is: 10,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.37 : 18,219.71 = 7,536.53 : x
  2. Step 2: Convert to fraction form
    13,204.37/18,219.71 = 7,536.53/x
  3. Step 3: Cross multiply
    13,204.37x = 18,219.71 × 7,536.53
  4. Step 4: Simplify right side
    13,204.37x = 137,313,318.75
  5. Step 5: Solve for x
    x = 137,313,318.75/13,204.37
  6. Step 6: Final answer
    x = 10,399.09

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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.