Home / 14,660.19-20,218.82-12,002.99

Finding the Fourth Proportional to 14,660.19, 20,218.82 and 12,002.99

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Solution

The fourth proportional to 14,660.19, 20,218.82 and 12,002.99 is: 16,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.19 : 20,218.82 = 12,002.99 : x
  2. Step 2: Convert to fraction form
    14,660.19/20,218.82 = 12,002.99/x
  3. Step 3: Cross multiply
    14,660.19x = 20,218.82 × 12,002.99
  4. Step 4: Simplify right side
    14,660.19x = 242,686,133.16
  5. Step 5: Solve for x
    x = 242,686,133.16/14,660.19
  6. Step 6: Final answer
    x = 16,554.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.