Home / 21,539.62-32,309.42-6,749.70

Finding the Fourth Proportional to 21,539.62, 32,309.42 and 6,749.70

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Solution

The fourth proportional to 21,539.62, 32,309.42 and 6,749.70 is: 10,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.62 : 32,309.42 = 6,749.70 : x
  2. Step 2: Convert to fraction form
    21,539.62/32,309.42 = 6,749.70/x
  3. Step 3: Cross multiply
    21,539.62x = 32,309.42 × 6,749.70
  4. Step 4: Simplify right side
    21,539.62x = 218,078,892.17
  5. Step 5: Solve for x
    x = 218,078,892.17/21,539.62
  6. Step 6: Final answer
    x = 10,124.55

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1.5x scale

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.