Home / 15,743.72-23,621.04-6,984.78

Finding the Fourth Proportional to 15,743.72, 23,621.04 and 6,984.78

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Solution

The fourth proportional to 15,743.72, 23,621.04 and 6,984.78 is: 10,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.72 : 23,621.04 = 6,984.78 : x
  2. Step 2: Convert to fraction form
    15,743.72/23,621.04 = 6,984.78/x
  3. Step 3: Cross multiply
    15,743.72x = 23,621.04 × 6,984.78
  4. Step 4: Simplify right side
    15,743.72x = 164,987,767.77
  5. Step 5: Solve for x
    x = 164,987,767.77/15,743.72
  6. Step 6: Final answer
    x = 10,479.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.