Home / 19,743.48-29,620.72-10,984.55

Finding the Fourth Proportional to 19,743.48, 29,620.72 and 10,984.55

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Solution

The fourth proportional to 19,743.48, 29,620.72 and 10,984.55 is: 16,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.48 : 29,620.72 = 10,984.55 : x
  2. Step 2: Convert to fraction form
    19,743.48/29,620.72 = 10,984.55/x
  3. Step 3: Cross multiply
    19,743.48x = 29,620.72 × 10,984.55
  4. Step 4: Simplify right side
    19,743.48x = 325,370,145.50
  5. Step 5: Solve for x
    x = 325,370,145.50/19,743.48
  6. Step 6: Final answer
    x = 16,479.88

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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.