Home / 20,836.02-28,753.41-11,883.67

Finding the Fourth Proportional to 20,836.02, 28,753.41 and 11,883.67

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Solution

The fourth proportional to 20,836.02, 28,753.41 and 11,883.67 is: 16,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836.02 : 28,753.41 = 11,883.67 : x
  2. Step 2: Convert to fraction form
    20,836.02/28,753.41 = 11,883.67/x
  3. Step 3: Cross multiply
    20,836.02x = 28,753.41 × 11,883.67
  4. Step 4: Simplify right side
    20,836.02x = 341,696,003.65
  5. Step 5: Solve for x
    x = 341,696,003.65/20,836.02
  6. Step 6: Final answer
    x = 16,399.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.