Home / 13,553.04-20,330.58-4,664.72

Finding the Fourth Proportional to 13,553.04, 20,330.58 and 4,664.72

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Solution

The fourth proportional to 13,553.04, 20,330.58 and 4,664.72 is: 6,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.04 : 20,330.58 = 4,664.72 : x
  2. Step 2: Convert to fraction form
    13,553.04/20,330.58 = 4,664.72/x
  3. Step 3: Cross multiply
    13,553.04x = 20,330.58 × 4,664.72
  4. Step 4: Simplify right side
    13,553.04x = 94,836,463.14
  5. Step 5: Solve for x
    x = 94,836,463.14/13,553.04
  6. Step 6: Final answer
    x = 6,997.43

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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.