Home / 15,930.34-23,896.12-8,130.04

Finding the Fourth Proportional to 15,930.34, 23,896.12 and 8,130.04

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Solution

The fourth proportional to 15,930.34, 23,896.12 and 8,130.04 is: 12,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.34 : 23,896.12 = 8,130.04 : x
  2. Step 2: Convert to fraction form
    15,930.34/23,896.12 = 8,130.04/x
  3. Step 3: Cross multiply
    15,930.34x = 23,896.12 × 8,130.04
  4. Step 4: Simplify right side
    15,930.34x = 194,276,411.44
  5. Step 5: Solve for x
    x = 194,276,411.44/15,930.34
  6. Step 6: Final answer
    x = 12,195.37

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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.