Home / 21,895.44-32,790.48-12,506.97

Finding the Fourth Proportional to 21,895.44, 32,790.48 and 12,506.97

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Solution

The fourth proportional to 21,895.44, 32,790.48 and 12,506.97 is: 18,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895.44 : 32,790.48 = 12,506.97 : x
  2. Step 2: Convert to fraction form
    21,895.44/32,790.48 = 12,506.97/x
  3. Step 3: Cross multiply
    21,895.44x = 32,790.48 × 12,506.97
  4. Step 4: Simplify right side
    21,895.44x = 410,109,549.65
  5. Step 5: Solve for x
    x = 410,109,549.65/21,895.44
  6. Step 6: Final answer
    x = 18,730.36

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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.