Home / 20,356.27-30,550.80-10,498.37

Finding the Fourth Proportional to 20,356.27, 30,550.80 and 10,498.37

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Solution

The fourth proportional to 20,356.27, 30,550.80 and 10,498.37 is: 15,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,356.27 : 30,550.80 = 10,498.37 : x
  2. Step 2: Convert to fraction form
    20,356.27/30,550.80 = 10,498.37/x
  3. Step 3: Cross multiply
    20,356.27x = 30,550.80 × 10,498.37
  4. Step 4: Simplify right side
    20,356.27x = 320,733,449.44
  5. Step 5: Solve for x
    x = 320,733,449.44/20,356.27
  6. Step 6: Final answer
    x = 15,756.00

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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.