Home / 19,999.42-27,596.03-11,499.89

Finding the Fourth Proportional to 19,999.42, 27,596.03 and 11,499.89

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Solution

The fourth proportional to 19,999.42, 27,596.03 and 11,499.89 is: 15,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.42 : 27,596.03 = 11,499.89 : x
  2. Step 2: Convert to fraction form
    19,999.42/27,596.03 = 11,499.89/x
  3. Step 3: Cross multiply
    19,999.42x = 27,596.03 × 11,499.89
  4. Step 4: Simplify right side
    19,999.42x = 317,351,113.96
  5. Step 5: Solve for x
    x = 317,351,113.96/19,999.42
  6. Step 6: Final answer
    x = 15,868.02

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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.