Home / 21,820.10-32,735.84-6,238.94

Finding the Fourth Proportional to 21,820.10, 32,735.84 and 6,238.94

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Solution

The fourth proportional to 21,820.10, 32,735.84 and 6,238.94 is: 9,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,820.10 : 32,735.84 = 6,238.94 : x
  2. Step 2: Convert to fraction form
    21,820.10/32,735.84 = 6,238.94/x
  3. Step 3: Cross multiply
    21,820.10x = 32,735.84 × 6,238.94
  4. Step 4: Simplify right side
    21,820.10x = 204,236,746.74
  5. Step 5: Solve for x
    x = 204,236,746.74/21,820.10
  6. Step 6: Final answer
    x = 9,360.03

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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.