Home / 13,208.37-18,245.02-9,845.35

Finding the Fourth Proportional to 13,208.37, 18,245.02 and 9,845.35

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Solution

The fourth proportional to 13,208.37, 18,245.02 and 9,845.35 is: 13,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.37 : 18,245.02 = 9,845.35 : x
  2. Step 2: Convert to fraction form
    13,208.37/18,245.02 = 9,845.35/x
  3. Step 3: Cross multiply
    13,208.37x = 18,245.02 × 9,845.35
  4. Step 4: Simplify right side
    13,208.37x = 179,628,551.54
  5. Step 5: Solve for x
    x = 179,628,551.54/13,208.37
  6. Step 6: Final answer
    x = 13,599.60

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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.