Home / 18,711.03-28,042.23-7,604.79

Finding the Fourth Proportional to 18,711.03, 28,042.23 and 7,604.79

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Solution

The fourth proportional to 18,711.03, 28,042.23 and 7,604.79 is: 11,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.03 : 28,042.23 = 7,604.79 : x
  2. Step 2: Convert to fraction form
    18,711.03/28,042.23 = 7,604.79/x
  3. Step 3: Cross multiply
    18,711.03x = 28,042.23 × 7,604.79
  4. Step 4: Simplify right side
    18,711.03x = 213,255,130.07
  5. Step 5: Solve for x
    x = 213,255,130.07/18,711.03
  6. Step 6: Final answer
    x = 11,397.30

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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.