Home / 21,595.24-29,801.70-12,163.72

Finding the Fourth Proportional to 21,595.24, 29,801.70 and 12,163.72

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Solution

The fourth proportional to 21,595.24, 29,801.70 and 12,163.72 is: 16,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.24 : 29,801.70 = 12,163.72 : x
  2. Step 2: Convert to fraction form
    21,595.24/29,801.70 = 12,163.72/x
  3. Step 3: Cross multiply
    21,595.24x = 29,801.70 × 12,163.72
  4. Step 4: Simplify right side
    21,595.24x = 362,499,534.32
  5. Step 5: Solve for x
    x = 362,499,534.32/21,595.24
  6. Step 6: Final answer
    x = 16,786.09

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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.