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Finding the Fourth Proportional to 8,395, 12,594.75 and 7,476.87

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Solution

The fourth proportional to 8,395, 12,594.75 and 7,476.87 is: 11,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395 : 12,594.75 = 7,476.87 : x
  2. Step 2: Convert to fraction form
    8,395/12,594.75 = 7,476.87/x
  3. Step 3: Cross multiply
    8,395x = 12,594.75 × 7,476.87
  4. Step 4: Simplify right side
    8,395x = 94,169,308.43
  5. Step 5: Solve for x
    x = 94,169,308.43/8,395
  6. Step 6: Final answer
    x = 11,217.31

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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.