Home / 18,500.94-27,752.04-14,145.30

Finding the Fourth Proportional to 18,500.94, 27,752.04 and 14,145.30

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Solution

The fourth proportional to 18,500.94, 27,752.04 and 14,145.30 is: 21,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.94 : 27,752.04 = 14,145.30 : x
  2. Step 2: Convert to fraction form
    18,500.94/27,752.04 = 14,145.30/x
  3. Step 3: Cross multiply
    18,500.94x = 27,752.04 × 14,145.30
  4. Step 4: Simplify right side
    18,500.94x = 392,560,931.41
  5. Step 5: Solve for x
    x = 392,560,931.41/18,500.94
  6. Step 6: Final answer
    x = 21,218.43

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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.