Home / 13,662.37-20,494.16-6,648.17

Finding the Fourth Proportional to 13,662.37, 20,494.16 and 6,648.17

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Solution

The fourth proportional to 13,662.37, 20,494.16 and 6,648.17 is: 9,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.37 : 20,494.16 = 6,648.17 : x
  2. Step 2: Convert to fraction form
    13,662.37/20,494.16 = 6,648.17/x
  3. Step 3: Cross multiply
    13,662.37x = 20,494.16 × 6,648.17
  4. Step 4: Simplify right side
    13,662.37x = 136,248,626.45
  5. Step 5: Solve for x
    x = 136,248,626.45/13,662.37
  6. Step 6: Final answer
    x = 9,972.55

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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.