Home / 14,091.31-21,136.92-4,230.58

Finding the Fourth Proportional to 14,091.31, 21,136.92 and 4,230.58

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Solution

The fourth proportional to 14,091.31, 21,136.92 and 4,230.58 is: 6,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.31 : 21,136.92 = 4,230.58 : x
  2. Step 2: Convert to fraction form
    14,091.31/21,136.92 = 4,230.58/x
  3. Step 3: Cross multiply
    14,091.31x = 21,136.92 × 4,230.58
  4. Step 4: Simplify right side
    14,091.31x = 89,421,431.01
  5. Step 5: Solve for x
    x = 89,421,431.01/14,091.31
  6. Step 6: Final answer
    x = 6,345.86

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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.