Home / 16,782.40-23,145.60-14,136

Finding the Fourth Proportional to 16,782.40, 23,145.60 and 14,136

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Solution

The fourth proportional to 16,782.40, 23,145.60 and 14,136 is: 19,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.40 : 23,145.60 = 14,136 : x
  2. Step 2: Convert to fraction form
    16,782.40/23,145.60 = 14,136/x
  3. Step 3: Cross multiply
    16,782.40x = 23,145.60 × 14,136
  4. Step 4: Simplify right side
    16,782.40x = 327,186,201.60
  5. Step 5: Solve for x
    x = 327,186,201.60/16,782.40
  6. Step 6: Final answer
    x = 19,495.79

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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.