Home / 20,907.52-31,305.12-11,026.24

Finding the Fourth Proportional to 20,907.52, 31,305.12 and 11,026.24

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Solution

The fourth proportional to 20,907.52, 31,305.12 and 11,026.24 is: 16,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,907.52 : 31,305.12 = 11,026.24 : x
  2. Step 2: Convert to fraction form
    20,907.52/31,305.12 = 11,026.24/x
  3. Step 3: Cross multiply
    20,907.52x = 31,305.12 × 11,026.24
  4. Step 4: Simplify right side
    20,907.52x = 345,177,766.35
  5. Step 5: Solve for x
    x = 345,177,766.35/20,907.52
  6. Step 6: Final answer
    x = 16,509.74

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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.