Home / 21,739.16-29,989.36-14,182

Finding the Fourth Proportional to 21,739.16, 29,989.36 and 14,182

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Solution

The fourth proportional to 21,739.16, 29,989.36 and 14,182 is: 19,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.16 : 29,989.36 = 14,182 : x
  2. Step 2: Convert to fraction form
    21,739.16/29,989.36 = 14,182/x
  3. Step 3: Cross multiply
    21,739.16x = 29,989.36 × 14,182
  4. Step 4: Simplify right side
    21,739.16x = 425,309,103.52
  5. Step 5: Solve for x
    x = 425,309,103.52/21,739.16
  6. Step 6: Final answer
    x = 19,564.19

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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.