Home / 14,136.34-21,303.79-12,732.52

Finding the Fourth Proportional to 14,136.34, 21,303.79 and 12,732.52

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Solution

The fourth proportional to 14,136.34, 21,303.79 and 12,732.52 is: 19,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.34 : 21,303.79 = 12,732.52 : x
  2. Step 2: Convert to fraction form
    14,136.34/21,303.79 = 12,732.52/x
  3. Step 3: Cross multiply
    14,136.34x = 21,303.79 × 12,732.52
  4. Step 4: Simplify right side
    14,136.34x = 271,250,970.66
  5. Step 5: Solve for x
    x = 271,250,970.66/14,136.34
  6. Step 6: Final answer
    x = 19,188.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.