Home / 20,550.34-28,359.18-11,596.60

Finding the Fourth Proportional to 20,550.34, 28,359.18 and 11,596.60

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Solution

The fourth proportional to 20,550.34, 28,359.18 and 11,596.60 is: 16,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.34 : 28,359.18 = 11,596.60 : x
  2. Step 2: Convert to fraction form
    20,550.34/28,359.18 = 11,596.60/x
  3. Step 3: Cross multiply
    20,550.34x = 28,359.18 × 11,596.60
  4. Step 4: Simplify right side
    20,550.34x = 328,870,066.79
  5. Step 5: Solve for x
    x = 328,870,066.79/20,550.34
  6. Step 6: Final answer
    x = 16,003.14

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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.