Home / 20,528.07-30,796.26-6,490.29

Finding the Fourth Proportional to 20,528.07, 30,796.26 and 6,490.29

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Solution

The fourth proportional to 20,528.07, 30,796.26 and 6,490.29 is: 9,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,528.07 : 30,796.26 = 6,490.29 : x
  2. Step 2: Convert to fraction form
    20,528.07/30,796.26 = 6,490.29/x
  3. Step 3: Cross multiply
    20,528.07x = 30,796.26 × 6,490.29
  4. Step 4: Simplify right side
    20,528.07x = 199,876,658.32
  5. Step 5: Solve for x
    x = 199,876,658.32/20,528.07
  6. Step 6: Final answer
    x = 9,736.75

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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.