Home / 21,157.24-31,734.66-6,365.84

Finding the Fourth Proportional to 21,157.24, 31,734.66 and 6,365.84

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Solution

The fourth proportional to 21,157.24, 31,734.66 and 6,365.84 is: 9,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,157.24 : 31,734.66 = 6,365.84 : x
  2. Step 2: Convert to fraction form
    21,157.24/31,734.66 = 6,365.84/x
  3. Step 3: Cross multiply
    21,157.24x = 31,734.66 × 6,365.84
  4. Step 4: Simplify right side
    21,157.24x = 202,017,768.01
  5. Step 5: Solve for x
    x = 202,017,768.01/21,157.24
  6. Step 6: Final answer
    x = 9,548.40

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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.