Home / 15,643.72-23,465.82-3,957.04

Finding the Fourth Proportional to 15,643.72, 23,465.82 and 3,957.04

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Solution

The fourth proportional to 15,643.72, 23,465.82 and 3,957.04 is: 5,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.72 : 23,465.82 = 3,957.04 : x
  2. Step 2: Convert to fraction form
    15,643.72/23,465.82 = 3,957.04/x
  3. Step 3: Cross multiply
    15,643.72x = 23,465.82 × 3,957.04
  4. Step 4: Simplify right side
    15,643.72x = 92,855,188.37
  5. Step 5: Solve for x
    x = 92,855,188.37/15,643.72
  6. Step 6: Final answer
    x = 5,935.62

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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.