Home / 13,777.29-20,665.94-5,012.28

Finding the Fourth Proportional to 13,777.29, 20,665.94 and 5,012.28

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Solution

The fourth proportional to 13,777.29, 20,665.94 and 5,012.28 is: 7,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.29 : 20,665.94 = 5,012.28 : x
  2. Step 2: Convert to fraction form
    13,777.29/20,665.94 = 5,012.28/x
  3. Step 3: Cross multiply
    13,777.29x = 20,665.94 × 5,012.28
  4. Step 4: Simplify right side
    13,777.29x = 103,583,452.68
  5. Step 5: Solve for x
    x = 103,583,452.68/13,777.29
  6. Step 6: Final answer
    x = 7,518.42

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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.