Home / 13,270.32-19,905.64-4,505.92

Finding the Fourth Proportional to 13,270.32, 19,905.64 and 4,505.92

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Solution

The fourth proportional to 13,270.32, 19,905.64 and 4,505.92 is: 6,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.32 : 19,905.64 = 4,505.92 : x
  2. Step 2: Convert to fraction form
    13,270.32/19,905.64 = 4,505.92/x
  3. Step 3: Cross multiply
    13,270.32x = 19,905.64 × 4,505.92
  4. Step 4: Simplify right side
    13,270.32x = 89,693,235.01
  5. Step 5: Solve for x
    x = 89,693,235.01/13,270.32
  6. Step 6: Final answer
    x = 6,758.93

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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.