Home / 17,887.68-26,849.16-13,429.83

Finding the Fourth Proportional to 17,887.68, 26,849.16 and 13,429.83

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Solution

The fourth proportional to 17,887.68, 26,849.16 and 13,429.83 is: 20,157.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.68 : 26,849.16 = 13,429.83 : x
  2. Step 2: Convert to fraction form
    17,887.68/26,849.16 = 13,429.83/x
  3. Step 3: Cross multiply
    17,887.68x = 26,849.16 × 13,429.83
  4. Step 4: Simplify right side
    17,887.68x = 360,579,654.44
  5. Step 5: Solve for x
    x = 360,579,654.44/17,887.68
  6. Step 6: Final answer
    x = 20,157.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.