Home / 13,664.54-20,497.55-4,305.29

Finding the Fourth Proportional to 13,664.54, 20,497.55 and 4,305.29

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Solution

The fourth proportional to 13,664.54, 20,497.55 and 4,305.29 is: 6,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.54 : 20,497.55 = 4,305.29 : x
  2. Step 2: Convert to fraction form
    13,664.54/20,497.55 = 4,305.29/x
  3. Step 3: Cross multiply
    13,664.54x = 20,497.55 × 4,305.29
  4. Step 4: Simplify right side
    13,664.54x = 88,247,875.51
  5. Step 5: Solve for x
    x = 88,247,875.51/13,664.54
  6. Step 6: Final answer
    x = 6,458.17

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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.