Home / 15,929.34-23,896.88-12,993.80

Finding the Fourth Proportional to 15,929.34, 23,896.88 and 12,993.80

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Solution

The fourth proportional to 15,929.34, 23,896.88 and 12,993.80 is: 19,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929.34 : 23,896.88 = 12,993.80 : x
  2. Step 2: Convert to fraction form
    15,929.34/23,896.88 = 12,993.80/x
  3. Step 3: Cross multiply
    15,929.34x = 23,896.88 × 12,993.80
  4. Step 4: Simplify right side
    15,929.34x = 310,511,279.34
  5. Step 5: Solve for x
    x = 310,511,279.34/15,929.34
  6. Step 6: Final answer
    x = 19,493.04

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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.