Home / 19,703.68-27,195.84-12,160.96

Finding the Fourth Proportional to 19,703.68, 27,195.84 and 12,160.96

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Solution

The fourth proportional to 19,703.68, 27,195.84 and 12,160.96 is: 16,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.68 : 27,195.84 = 12,160.96 : x
  2. Step 2: Convert to fraction form
    19,703.68/27,195.84 = 12,160.96/x
  3. Step 3: Cross multiply
    19,703.68x = 27,195.84 × 12,160.96
  4. Step 4: Simplify right side
    19,703.68x = 330,727,522.41
  5. Step 5: Solve for x
    x = 330,727,522.41/19,703.68
  6. Step 6: Final answer
    x = 16,785.06

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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.