Home / 10,418.94-14,378.44-5,703.53

Finding the Fourth Proportional to 10,418.94, 14,378.44 and 5,703.53

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Solution

The fourth proportional to 10,418.94, 14,378.44 and 5,703.53 is: 7,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.94 : 14,378.44 = 5,703.53 : x
  2. Step 2: Convert to fraction form
    10,418.94/14,378.44 = 5,703.53/x
  3. Step 3: Cross multiply
    10,418.94x = 14,378.44 × 5,703.53
  4. Step 4: Simplify right side
    10,418.94x = 82,007,792.00
  5. Step 5: Solve for x
    x = 82,007,792.00/10,418.94
  6. Step 6: Final answer
    x = 7,871.03

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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.