Home / 13,551.39-20,326.44-5,650.65

Finding the Fourth Proportional to 13,551.39, 20,326.44 and 5,650.65

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Solution

The fourth proportional to 13,551.39, 20,326.44 and 5,650.65 is: 8,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.39 : 20,326.44 = 5,650.65 : x
  2. Step 2: Convert to fraction form
    13,551.39/20,326.44 = 5,650.65/x
  3. Step 3: Cross multiply
    13,551.39x = 20,326.44 × 5,650.65
  4. Step 4: Simplify right side
    13,551.39x = 114,857,598.19
  5. Step 5: Solve for x
    x = 114,857,598.19/13,551.39
  6. Step 6: Final answer
    x = 8,475.71

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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.