Home / 15,643.14-23,464.79-3,956.37

Finding the Fourth Proportional to 15,643.14, 23,464.79 and 3,956.37

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Solution

The fourth proportional to 15,643.14, 23,464.79 and 3,956.37 is: 5,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.14 : 23,464.79 = 3,956.37 : x
  2. Step 2: Convert to fraction form
    15,643.14/23,464.79 = 3,956.37/x
  3. Step 3: Cross multiply
    15,643.14x = 23,464.79 × 3,956.37
  4. Step 4: Simplify right side
    15,643.14x = 92,835,386.27
  5. Step 5: Solve for x
    x = 92,835,386.27/15,643.14
  6. Step 6: Final answer
    x = 5,934.57

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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.