Home / 19,290.00-28,934.97-12,668.30

Finding the Fourth Proportional to 19,290.00, 28,934.97 and 12,668.30

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Solution

The fourth proportional to 19,290.00, 28,934.97 and 12,668.30 is: 19,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.00 : 28,934.97 = 12,668.30 : x
  2. Step 2: Convert to fraction form
    19,290.00/28,934.97 = 12,668.30/x
  3. Step 3: Cross multiply
    19,290.00x = 28,934.97 × 12,668.30
  4. Step 4: Simplify right side
    19,290.00x = 366,556,868.04
  5. Step 5: Solve for x
    x = 366,556,868.04/19,290.00
  6. Step 6: Final answer
    x = 19,002.43

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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.