Home / 19,739.89-27,242.66-11,244.67

Finding the Fourth Proportional to 19,739.89, 27,242.66 and 11,244.67

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Solution

The fourth proportional to 19,739.89, 27,242.66 and 11,244.67 is: 15,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.89 : 27,242.66 = 11,244.67 : x
  2. Step 2: Convert to fraction form
    19,739.89/27,242.66 = 11,244.67/x
  3. Step 3: Cross multiply
    19,739.89x = 27,242.66 × 11,244.67
  4. Step 4: Simplify right side
    19,739.89x = 306,334,721.62
  5. Step 5: Solve for x
    x = 306,334,721.62/19,739.89
  6. Step 6: Final answer
    x = 15,518.56

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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.