Home / 20,322.39-30,483.64-10,966.82

Finding the Fourth Proportional to 20,322.39, 30,483.64 and 10,966.82

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Solution

The fourth proportional to 20,322.39, 30,483.64 and 10,966.82 is: 16,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.39 : 30,483.64 = 10,966.82 : x
  2. Step 2: Convert to fraction form
    20,322.39/30,483.64 = 10,966.82/x
  3. Step 3: Cross multiply
    20,322.39x = 30,483.64 × 10,966.82
  4. Step 4: Simplify right side
    20,322.39x = 334,308,454.12
  5. Step 5: Solve for x
    x = 334,308,454.12/20,322.39
  6. Step 6: Final answer
    x = 16,450.25

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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.