Home / 11,378.53-17,056.32-4,705.82

Finding the Fourth Proportional to 11,378.53, 17,056.32 and 4,705.82

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Solution

The fourth proportional to 11,378.53, 17,056.32 and 4,705.82 is: 7,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.53 : 17,056.32 = 4,705.82 : x
  2. Step 2: Convert to fraction form
    11,378.53/17,056.32 = 4,705.82/x
  3. Step 3: Cross multiply
    11,378.53x = 17,056.32 × 4,705.82
  4. Step 4: Simplify right side
    11,378.53x = 80,263,918.48
  5. Step 5: Solve for x
    x = 80,263,918.48/11,378.53
  6. Step 6: Final answer
    x = 7,053.98

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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.