Home / 9,394.35-12,963.39-5,415.77

Finding the Fourth Proportional to 9,394.35, 12,963.39 and 5,415.77

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Solution

The fourth proportional to 9,394.35, 12,963.39 and 5,415.77 is: 7,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.35 : 12,963.39 = 5,415.77 : x
  2. Step 2: Convert to fraction form
    9,394.35/12,963.39 = 5,415.77/x
  3. Step 3: Cross multiply
    9,394.35x = 12,963.39 × 5,415.77
  4. Step 4: Simplify right side
    9,394.35x = 70,206,673.84
  5. Step 5: Solve for x
    x = 70,206,673.84/9,394.35
  6. Step 6: Final answer
    x = 7,473.29

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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.