Home / 14,910.36-20,601.18-12,422.04

Finding the Fourth Proportional to 14,910.36, 20,601.18 and 12,422.04

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Solution

The fourth proportional to 14,910.36, 20,601.18 and 12,422.04 is: 17,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.36 : 20,601.18 = 12,422.04 : x
  2. Step 2: Convert to fraction form
    14,910.36/20,601.18 = 12,422.04/x
  3. Step 3: Cross multiply
    14,910.36x = 20,601.18 × 12,422.04
  4. Step 4: Simplify right side
    14,910.36x = 255,908,682.01
  5. Step 5: Solve for x
    x = 255,908,682.01/14,910.36
  6. Step 6: Final answer
    x = 17,163.15

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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.