Home / 18,012.77-27,026.67-7,485.10

Finding the Fourth Proportional to 18,012.77, 27,026.67 and 7,485.10

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Solution

The fourth proportional to 18,012.77, 27,026.67 and 7,485.10 is: 11,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.77 : 27,026.67 = 7,485.10 : x
  2. Step 2: Convert to fraction form
    18,012.77/27,026.67 = 7,485.10/x
  3. Step 3: Cross multiply
    18,012.77x = 27,026.67 × 7,485.10
  4. Step 4: Simplify right side
    18,012.77x = 202,297,327.62
  5. Step 5: Solve for x
    x = 202,297,327.62/18,012.77
  6. Step 6: Final answer
    x = 11,230.77

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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.