Home / 13,207.41-19,811.08-5,309.92

Finding the Fourth Proportional to 13,207.41, 19,811.08 and 5,309.92

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Solution

The fourth proportional to 13,207.41, 19,811.08 and 5,309.92 is: 7,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.41 : 19,811.08 = 5,309.92 : x
  2. Step 2: Convert to fraction form
    13,207.41/19,811.08 = 5,309.92/x
  3. Step 3: Cross multiply
    13,207.41x = 19,811.08 × 5,309.92
  4. Step 4: Simplify right side
    13,207.41x = 105,195,249.91
  5. Step 5: Solve for x
    x = 105,195,249.91/13,207.41
  6. Step 6: Final answer
    x = 7,964.87

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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.