Home / 18,206.06-27,297.75-7,670.66

Finding the Fourth Proportional to 18,206.06, 27,297.75 and 7,670.66

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Solution

The fourth proportional to 18,206.06, 27,297.75 and 7,670.66 is: 11,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.06 : 27,297.75 = 7,670.66 : x
  2. Step 2: Convert to fraction form
    18,206.06/27,297.75 = 7,670.66/x
  3. Step 3: Cross multiply
    18,206.06x = 27,297.75 × 7,670.66
  4. Step 4: Simplify right side
    18,206.06x = 209,391,622.53
  5. Step 5: Solve for x
    x = 209,391,622.53/18,206.06
  6. Step 6: Final answer
    x = 11,501.21

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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.