Home / 13,352.06-18,426.65-7,383.60

Finding the Fourth Proportional to 13,352.06, 18,426.65 and 7,383.60

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Solution

The fourth proportional to 13,352.06, 18,426.65 and 7,383.60 is: 10,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.06 : 18,426.65 = 7,383.60 : x
  2. Step 2: Convert to fraction form
    13,352.06/18,426.65 = 7,383.60/x
  3. Step 3: Cross multiply
    13,352.06x = 18,426.65 × 7,383.60
  4. Step 4: Simplify right side
    13,352.06x = 136,055,012.94
  5. Step 5: Solve for x
    x = 136,055,012.94/13,352.06
  6. Step 6: Final answer
    x = 10,189.81

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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.