Home / 19,190.37-28,743.88-9,308.88

Finding the Fourth Proportional to 19,190.37, 28,743.88 and 9,308.88

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Solution

The fourth proportional to 19,190.37, 28,743.88 and 9,308.88 is: 13,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.37 : 28,743.88 = 9,308.88 : x
  2. Step 2: Convert to fraction form
    19,190.37/28,743.88 = 9,308.88/x
  3. Step 3: Cross multiply
    19,190.37x = 28,743.88 × 9,308.88
  4. Step 4: Simplify right side
    19,190.37x = 267,573,329.65
  5. Step 5: Solve for x
    x = 267,573,329.65/19,190.37
  6. Step 6: Final answer
    x = 13,943.10

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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.