Home / 13,776.06-20,665.44-5,008.92

Finding the Fourth Proportional to 13,776.06, 20,665.44 and 5,008.92

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Solution

The fourth proportional to 13,776.06, 20,665.44 and 5,008.92 is: 7,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.06 : 20,665.44 = 5,008.92 : x
  2. Step 2: Convert to fraction form
    13,776.06/20,665.44 = 5,008.92/x
  3. Step 3: Cross multiply
    13,776.06x = 20,665.44 × 5,008.92
  4. Step 4: Simplify right side
    13,776.06x = 103,511,535.72
  5. Step 5: Solve for x
    x = 103,511,535.72/13,776.06
  6. Step 6: Final answer
    x = 7,513.87

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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.