Home / 21,818.76-32,728.06-6,236.38

Finding the Fourth Proportional to 21,818.76, 32,728.06 and 6,236.38

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Solution

The fourth proportional to 21,818.76, 32,728.06 and 6,236.38 is: 9,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.76 : 32,728.06 = 6,236.38 : x
  2. Step 2: Convert to fraction form
    21,818.76/32,728.06 = 6,236.38/x
  3. Step 3: Cross multiply
    21,818.76x = 32,728.06 × 6,236.38
  4. Step 4: Simplify right side
    21,818.76x = 204,104,618.82
  5. Step 5: Solve for x
    x = 204,104,618.82/21,818.76
  6. Step 6: Final answer
    x = 9,354.55

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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.