Home / 13,357.73-18,433.44-7,389.26

Finding the Fourth Proportional to 13,357.73, 18,433.44 and 7,389.26

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Solution

The fourth proportional to 13,357.73, 18,433.44 and 7,389.26 is: 10,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.73 : 18,433.44 = 7,389.26 : x
  2. Step 2: Convert to fraction form
    13,357.73/18,433.44 = 7,389.26/x
  3. Step 3: Cross multiply
    13,357.73x = 18,433.44 × 7,389.26
  4. Step 4: Simplify right side
    13,357.73x = 136,209,480.85
  5. Step 5: Solve for x
    x = 136,209,480.85/13,357.73
  6. Step 6: Final answer
    x = 10,197.05

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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.