Home / 13,141.27-19,717.70-6,899.83

Finding the Fourth Proportional to 13,141.27, 19,717.70 and 6,899.83

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Solution

The fourth proportional to 13,141.27, 19,717.70 and 6,899.83 is: 10,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.27 : 19,717.70 = 6,899.83 : x
  2. Step 2: Convert to fraction form
    13,141.27/19,717.70 = 6,899.83/x
  3. Step 3: Cross multiply
    13,141.27x = 19,717.70 × 6,899.83
  4. Step 4: Simplify right side
    13,141.27x = 136,048,805.11
  5. Step 5: Solve for x
    x = 136,048,805.11/13,141.27
  6. Step 6: Final answer
    x = 10,352.79

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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.