Home / 14,136.90-19,511.37-8,167.56

Finding the Fourth Proportional to 14,136.90, 19,511.37 and 8,167.56

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Solution

The fourth proportional to 14,136.90, 19,511.37 and 8,167.56 is: 11,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.90 : 19,511.37 = 8,167.56 : x
  2. Step 2: Convert to fraction form
    14,136.90/19,511.37 = 8,167.56/x
  3. Step 3: Cross multiply
    14,136.90x = 19,511.37 × 8,167.56
  4. Step 4: Simplify right side
    14,136.90x = 159,360,285.16
  5. Step 5: Solve for x
    x = 159,360,285.16/14,136.90
  6. Step 6: Final answer
    x = 11,272.65

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1.5x scale

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.