Home / 13,270.22-19,905.60-4,505.12

Finding the Fourth Proportional to 13,270.22, 19,905.60 and 4,505.12

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Solution

The fourth proportional to 13,270.22, 19,905.60 and 4,505.12 is: 6,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.22 : 19,905.60 = 4,505.12 : x
  2. Step 2: Convert to fraction form
    13,270.22/19,905.60 = 4,505.12/x
  3. Step 3: Cross multiply
    13,270.22x = 19,905.60 × 4,505.12
  4. Step 4: Simplify right side
    13,270.22x = 89,677,017.14
  5. Step 5: Solve for x
    x = 89,677,017.14/13,270.22
  6. Step 6: Final answer
    x = 6,757.77

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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.