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Finding the Fourth Proportional to 9,394.94, 12,959.14 and 6,042.12

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Solution

The fourth proportional to 9,394.94, 12,959.14 and 6,042.12 is: 8,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.94 : 12,959.14 = 6,042.12 : x
  2. Step 2: Convert to fraction form
    9,394.94/12,959.14 = 6,042.12/x
  3. Step 3: Cross multiply
    9,394.94x = 12,959.14 × 6,042.12
  4. Step 4: Simplify right side
    9,394.94x = 78,300,678.98
  5. Step 5: Solve for x
    x = 78,300,678.98/9,394.94
  6. Step 6: Final answer
    x = 8,334.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.