Home / 13,141.40-19,712.26-8,727.32

Finding the Fourth Proportional to 13,141.40, 19,712.26 and 8,727.32

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Solution

The fourth proportional to 13,141.40, 19,712.26 and 8,727.32 is: 13,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.40 : 19,712.26 = 8,727.32 : x
  2. Step 2: Convert to fraction form
    13,141.40/19,712.26 = 8,727.32/x
  3. Step 3: Cross multiply
    13,141.40x = 19,712.26 × 8,727.32
  4. Step 4: Simplify right side
    13,141.40x = 172,035,200.94
  5. Step 5: Solve for x
    x = 172,035,200.94/13,141.40
  6. Step 6: Final answer
    x = 13,091.09

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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.