Home / 11,620.70-17,426.44-4,221.12

Finding the Fourth Proportional to 11,620.70, 17,426.44 and 4,221.12

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Solution

The fourth proportional to 11,620.70, 17,426.44 and 4,221.12 is: 6,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.70 : 17,426.44 = 4,221.12 : x
  2. Step 2: Convert to fraction form
    11,620.70/17,426.44 = 4,221.12/x
  3. Step 3: Cross multiply
    11,620.70x = 17,426.44 × 4,221.12
  4. Step 4: Simplify right side
    11,620.70x = 73,559,094.41
  5. Step 5: Solve for x
    x = 73,559,094.41/11,620.70
  6. Step 6: Final answer
    x = 6,330.01

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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.