Home / 21,410.65-29,546.09-11,850.93

Finding the Fourth Proportional to 21,410.65, 29,546.09 and 11,850.93

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Solution

The fourth proportional to 21,410.65, 29,546.09 and 11,850.93 is: 16,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.65 : 29,546.09 = 11,850.93 : x
  2. Step 2: Convert to fraction form
    21,410.65/29,546.09 = 11,850.93/x
  3. Step 3: Cross multiply
    21,410.65x = 29,546.09 × 11,850.93
  4. Step 4: Simplify right side
    21,410.65x = 350,148,644.36
  5. Step 5: Solve for x
    x = 350,148,644.36/21,410.65
  6. Step 6: Final answer
    x = 16,353.95

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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.