Home / 20,329.38-30,468.56-10,969.02

Finding the Fourth Proportional to 20,329.38, 30,468.56 and 10,969.02

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Solution

The fourth proportional to 20,329.38, 30,468.56 and 10,969.02 is: 16,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329.38 : 30,468.56 = 10,969.02 : x
  2. Step 2: Convert to fraction form
    20,329.38/30,468.56 = 10,969.02/x
  3. Step 3: Cross multiply
    20,329.38x = 30,468.56 × 10,969.02
  4. Step 4: Simplify right side
    20,329.38x = 334,210,189.17
  5. Step 5: Solve for x
    x = 334,210,189.17/20,329.38
  6. Step 6: Final answer
    x = 16,439.76

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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.