Home / 19,107.18-28,668.87-9,253.80

Finding the Fourth Proportional to 19,107.18, 28,668.87 and 9,253.80

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Solution

The fourth proportional to 19,107.18, 28,668.87 and 9,253.80 is: 13,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.18 : 28,668.87 = 9,253.80 : x
  2. Step 2: Convert to fraction form
    19,107.18/28,668.87 = 9,253.80/x
  3. Step 3: Cross multiply
    19,107.18x = 28,668.87 × 9,253.80
  4. Step 4: Simplify right side
    19,107.18x = 265,295,989.21
  5. Step 5: Solve for x
    x = 265,295,989.21/19,107.18
  6. Step 6: Final answer
    x = 13,884.62

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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.