Home / 21,539.30-32,308.93-6,749.38

Finding the Fourth Proportional to 21,539.30, 32,308.93 and 6,749.38

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Solution

The fourth proportional to 21,539.30, 32,308.93 and 6,749.38 is: 10,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.30 : 32,308.93 = 6,749.38 : x
  2. Step 2: Convert to fraction form
    21,539.30/32,308.93 = 6,749.38/x
  3. Step 3: Cross multiply
    21,539.30x = 32,308.93 × 6,749.38
  4. Step 4: Simplify right side
    21,539.30x = 218,065,245.96
  5. Step 5: Solve for x
    x = 218,065,245.96/21,539.30
  6. Step 6: Final answer
    x = 10,124.06

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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.