Home / 11,893.62-16,411.77-6,859.50

Finding the Fourth Proportional to 11,893.62, 16,411.77 and 6,859.50

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Solution

The fourth proportional to 11,893.62, 16,411.77 and 6,859.50 is: 9,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.62 : 16,411.77 = 6,859.50 : x
  2. Step 2: Convert to fraction form
    11,893.62/16,411.77 = 6,859.50/x
  3. Step 3: Cross multiply
    11,893.62x = 16,411.77 × 6,859.50
  4. Step 4: Simplify right side
    11,893.62x = 112,576,536.32
  5. Step 5: Solve for x
    x = 112,576,536.32/11,893.62
  6. Step 6: Final answer
    x = 9,465.29

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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.