Home / 20,326.37-30,494.18-10,966.21

Finding the Fourth Proportional to 20,326.37, 30,494.18 and 10,966.21

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Solution

The fourth proportional to 20,326.37, 30,494.18 and 10,966.21 is: 16,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.37 : 30,494.18 = 10,966.21 : x
  2. Step 2: Convert to fraction form
    20,326.37/30,494.18 = 10,966.21/x
  3. Step 3: Cross multiply
    20,326.37x = 30,494.18 × 10,966.21
  4. Step 4: Simplify right side
    20,326.37x = 334,405,491.71
  5. Step 5: Solve for x
    x = 334,405,491.71/20,326.37
  6. Step 6: Final answer
    x = 16,451.81

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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.