Home / 15,376.45-23,064.66-11,871.56

Finding the Fourth Proportional to 15,376.45, 23,064.66 and 11,871.56

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Solution

The fourth proportional to 15,376.45, 23,064.66 and 11,871.56 is: 17,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376.45 : 23,064.66 = 11,871.56 : x
  2. Step 2: Convert to fraction form
    15,376.45/23,064.66 = 11,871.56/x
  3. Step 3: Cross multiply
    15,376.45x = 23,064.66 × 11,871.56
  4. Step 4: Simplify right side
    15,376.45x = 273,813,379.75
  5. Step 5: Solve for x
    x = 273,813,379.75/15,376.45
  6. Step 6: Final answer
    x = 17,807.32

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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.