Home / 11,866.75-16,376.40-7,682.29

Finding the Fourth Proportional to 11,866.75, 16,376.40 and 7,682.29

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Solution

The fourth proportional to 11,866.75, 16,376.40 and 7,682.29 is: 10,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.75 : 16,376.40 = 7,682.29 : x
  2. Step 2: Convert to fraction form
    11,866.75/16,376.40 = 7,682.29/x
  3. Step 3: Cross multiply
    11,866.75x = 16,376.40 × 7,682.29
  4. Step 4: Simplify right side
    11,866.75x = 125,808,253.96
  5. Step 5: Solve for x
    x = 125,808,253.96/11,866.75
  6. Step 6: Final answer
    x = 10,601.74

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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.