Home / 11,891.61-16,409.46-6,852.45

Finding the Fourth Proportional to 11,891.61, 16,409.46 and 6,852.45

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Solution

The fourth proportional to 11,891.61, 16,409.46 and 6,852.45 is: 9,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.61 : 16,409.46 = 6,852.45 : x
  2. Step 2: Convert to fraction form
    11,891.61/16,409.46 = 6,852.45/x
  3. Step 3: Cross multiply
    11,891.61x = 16,409.46 × 6,852.45
  4. Step 4: Simplify right side
    11,891.61x = 112,444,916.94
  5. Step 5: Solve for x
    x = 112,444,916.94/11,891.61
  6. Step 6: Final answer
    x = 9,455.82

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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.