Home / 21,249.03-31,852.04-10,687.14

Finding the Fourth Proportional to 21,249.03, 31,852.04 and 10,687.14

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Solution

The fourth proportional to 21,249.03, 31,852.04 and 10,687.14 is: 16,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,249.03 : 31,852.04 = 10,687.14 : x
  2. Step 2: Convert to fraction form
    21,249.03/31,852.04 = 10,687.14/x
  3. Step 3: Cross multiply
    21,249.03x = 31,852.04 × 10,687.14
  4. Step 4: Simplify right side
    21,249.03x = 340,407,157.33
  5. Step 5: Solve for x
    x = 340,407,157.33/21,249.03
  6. Step 6: Final answer
    x = 16,019.89

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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.