Home / 14,089.08-21,136.82-7,511.80

Finding the Fourth Proportional to 14,089.08, 21,136.82 and 7,511.80

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Solution

The fourth proportional to 14,089.08, 21,136.82 and 7,511.80 is: 11,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.08 : 21,136.82 = 7,511.80 : x
  2. Step 2: Convert to fraction form
    14,089.08/21,136.82 = 7,511.80/x
  3. Step 3: Cross multiply
    14,089.08x = 21,136.82 × 7,511.80
  4. Step 4: Simplify right side
    14,089.08x = 158,775,564.48
  5. Step 5: Solve for x
    x = 158,775,564.48/14,089.08
  6. Step 6: Final answer
    x = 11,269.41

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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.