Home / 21,252.14-31,808.14-11,749.85

Finding the Fourth Proportional to 21,252.14, 31,808.14 and 11,749.85

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Solution

The fourth proportional to 21,252.14, 31,808.14 and 11,749.85 is: 17,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.14 : 31,808.14 = 11,749.85 : x
  2. Step 2: Convert to fraction form
    21,252.14/31,808.14 = 11,749.85/x
  3. Step 3: Cross multiply
    21,252.14x = 31,808.14 × 11,749.85
  4. Step 4: Simplify right side
    21,252.14x = 373,740,804.64
  5. Step 5: Solve for x
    x = 373,740,804.64/21,252.14
  6. Step 6: Final answer
    x = 17,586.03

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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.