Home / 21,623.64-29,848.07-12,674.04

Finding the Fourth Proportional to 21,623.64, 29,848.07 and 12,674.04

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Solution

The fourth proportional to 21,623.64, 29,848.07 and 12,674.04 is: 17,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.64 : 29,848.07 = 12,674.04 : x
  2. Step 2: Convert to fraction form
    21,623.64/29,848.07 = 12,674.04/x
  3. Step 3: Cross multiply
    21,623.64x = 29,848.07 × 12,674.04
  4. Step 4: Simplify right side
    21,623.64x = 378,295,633.10
  5. Step 5: Solve for x
    x = 378,295,633.10/21,623.64
  6. Step 6: Final answer
    x = 17,494.54

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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.