Home / 9,394.20-14,089.83-4,128.05

Finding the Fourth Proportional to 9,394.20, 14,089.83 and 4,128.05

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Solution

The fourth proportional to 9,394.20, 14,089.83 and 4,128.05 is: 6,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.20 : 14,089.83 = 4,128.05 : x
  2. Step 2: Convert to fraction form
    9,394.20/14,089.83 = 4,128.05/x
  3. Step 3: Cross multiply
    9,394.20x = 14,089.83 × 4,128.05
  4. Step 4: Simplify right side
    9,394.20x = 58,163,452.28
  5. Step 5: Solve for x
    x = 58,163,452.28/9,394.20
  6. Step 6: Final answer
    x = 6,191.42

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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.