Home / 18,190.37-27,265.32-7,657.28

Finding the Fourth Proportional to 18,190.37, 27,265.32 and 7,657.28

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Solution

The fourth proportional to 18,190.37, 27,265.32 and 7,657.28 is: 11,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.37 : 27,265.32 = 7,657.28 : x
  2. Step 2: Convert to fraction form
    18,190.37/27,265.32 = 7,657.28/x
  3. Step 3: Cross multiply
    18,190.37x = 27,265.32 × 7,657.28
  4. Step 4: Simplify right side
    18,190.37x = 208,778,189.53
  5. Step 5: Solve for x
    x = 208,778,189.53/18,190.37
  6. Step 6: Final answer
    x = 11,477.40

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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.