Home / 21,633.37-29,848.40-12,676.06

Finding the Fourth Proportional to 21,633.37, 29,848.40 and 12,676.06

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Solution

The fourth proportional to 21,633.37, 29,848.40 and 12,676.06 is: 17,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.37 : 29,848.40 = 12,676.06 : x
  2. Step 2: Convert to fraction form
    21,633.37/29,848.40 = 12,676.06/x
  3. Step 3: Cross multiply
    21,633.37x = 29,848.40 × 12,676.06
  4. Step 4: Simplify right side
    21,633.37x = 378,359,960.06
  5. Step 5: Solve for x
    x = 378,359,960.06/21,633.37
  6. Step 6: Final answer
    x = 17,489.65

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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.