Home / 9,394.32-12,963.40-5,412.76

Finding the Fourth Proportional to 9,394.32, 12,963.40 and 5,412.76

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Solution

The fourth proportional to 9,394.32, 12,963.40 and 5,412.76 is: 7,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.32 : 12,963.40 = 5,412.76 : x
  2. Step 2: Convert to fraction form
    9,394.32/12,963.40 = 5,412.76/x
  3. Step 3: Cross multiply
    9,394.32x = 12,963.40 × 5,412.76
  4. Step 4: Simplify right side
    9,394.32x = 70,167,772.98
  5. Step 5: Solve for x
    x = 70,167,772.98/9,394.32
  6. Step 6: Final answer
    x = 7,469.17

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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.