Home / 13,656.54-20,477.96-6,632.16

Finding the Fourth Proportional to 13,656.54, 20,477.96 and 6,632.16

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Solution

The fourth proportional to 13,656.54, 20,477.96 and 6,632.16 is: 9,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.54 : 20,477.96 = 6,632.16 : x
  2. Step 2: Convert to fraction form
    13,656.54/20,477.96 = 6,632.16/x
  3. Step 3: Cross multiply
    13,656.54x = 20,477.96 × 6,632.16
  4. Step 4: Simplify right side
    13,656.54x = 135,813,107.19
  5. Step 5: Solve for x
    x = 135,813,107.19/13,656.54
  6. Step 6: Final answer
    x = 9,944.91

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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.