Home / 18,290.37-27,410.95-13,336.82

Finding the Fourth Proportional to 18,290.37, 27,410.95 and 13,336.82

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Solution

The fourth proportional to 18,290.37, 27,410.95 and 13,336.82 is: 19,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.37 : 27,410.95 = 13,336.82 : x
  2. Step 2: Convert to fraction form
    18,290.37/27,410.95 = 13,336.82/x
  3. Step 3: Cross multiply
    18,290.37x = 27,410.95 × 13,336.82
  4. Step 4: Simplify right side
    18,290.37x = 365,574,906.18
  5. Step 5: Solve for x
    x = 365,574,906.18/18,290.37
  6. Step 6: Final answer
    x = 19,987.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.