Home / 13,106.55-19,672.17-8,727.06

Finding the Fourth Proportional to 13,106.55, 19,672.17 and 8,727.06

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Solution

The fourth proportional to 13,106.55, 19,672.17 and 8,727.06 is: 13,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.55 : 19,672.17 = 8,727.06 : x
  2. Step 2: Convert to fraction form
    13,106.55/19,672.17 = 8,727.06/x
  3. Step 3: Cross multiply
    13,106.55x = 19,672.17 × 8,727.06
  4. Step 4: Simplify right side
    13,106.55x = 171,680,207.92
  5. Step 5: Solve for x
    x = 171,680,207.92/13,106.55
  6. Step 6: Final answer
    x = 13,098.81

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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.