Home / 20,904.52-31,300.62-11,023.24

Finding the Fourth Proportional to 20,904.52, 31,300.62 and 11,023.24

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Solution

The fourth proportional to 20,904.52, 31,300.62 and 11,023.24 is: 16,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904.52 : 31,300.62 = 11,023.24 : x
  2. Step 2: Convert to fraction form
    20,904.52/31,300.62 = 11,023.24/x
  3. Step 3: Cross multiply
    20,904.52x = 31,300.62 × 11,023.24
  4. Step 4: Simplify right side
    20,904.52x = 345,034,246.41
  5. Step 5: Solve for x
    x = 345,034,246.41/20,904.52
  6. Step 6: Final answer
    x = 16,505.25

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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.