Home / 21,409.36-29,544.19-11,849.65

Finding the Fourth Proportional to 21,409.36, 29,544.19 and 11,849.65

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Solution

The fourth proportional to 21,409.36, 29,544.19 and 11,849.65 is: 16,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.36 : 29,544.19 = 11,849.65 : x
  2. Step 2: Convert to fraction form
    21,409.36/29,544.19 = 11,849.65/x
  3. Step 3: Cross multiply
    21,409.36x = 29,544.19 × 11,849.65
  4. Step 4: Simplify right side
    21,409.36x = 350,088,207.55
  5. Step 5: Solve for x
    x = 350,088,207.55/21,409.36
  6. Step 6: Final answer
    x = 16,352.11

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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.