Home / 15,466.52-23,181.81-7,129.04

Finding the Fourth Proportional to 15,466.52, 23,181.81 and 7,129.04

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Solution

The fourth proportional to 15,466.52, 23,181.81 and 7,129.04 is: 10,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.52 : 23,181.81 = 7,129.04 : x
  2. Step 2: Convert to fraction form
    15,466.52/23,181.81 = 7,129.04/x
  3. Step 3: Cross multiply
    15,466.52x = 23,181.81 × 7,129.04
  4. Step 4: Simplify right side
    15,466.52x = 165,263,934.85
  5. Step 5: Solve for x
    x = 165,263,934.85/15,466.52
  6. Step 6: Final answer
    x = 10,685.27

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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.