Home / 11,329.64-16,984.72-4,305.68

Finding the Fourth Proportional to 11,329.64, 16,984.72 and 4,305.68

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Solution

The fourth proportional to 11,329.64, 16,984.72 and 4,305.68 is: 6,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.64 : 16,984.72 = 4,305.68 : x
  2. Step 2: Convert to fraction form
    11,329.64/16,984.72 = 4,305.68/x
  3. Step 3: Cross multiply
    11,329.64x = 16,984.72 × 4,305.68
  4. Step 4: Simplify right side
    11,329.64x = 73,130,769.21
  5. Step 5: Solve for x
    x = 73,130,769.21/11,329.64
  6. Step 6: Final answer
    x = 6,454.82

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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.