Home / 9,394.30-12,963.79-5,415.58

Finding the Fourth Proportional to 9,394.30, 12,963.79 and 5,415.58

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Solution

The fourth proportional to 9,394.30, 12,963.79 and 5,415.58 is: 7,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.30 : 12,963.79 = 5,415.58 : x
  2. Step 2: Convert to fraction form
    9,394.30/12,963.79 = 5,415.58/x
  3. Step 3: Cross multiply
    9,394.30x = 12,963.79 × 5,415.58
  4. Step 4: Simplify right side
    9,394.30x = 70,206,441.85
  5. Step 5: Solve for x
    x = 70,206,441.85/9,394.30
  6. Step 6: Final answer
    x = 7,473.30

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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.