Home / 13,182.28-19,773.38-5,286.77

Finding the Fourth Proportional to 13,182.28, 19,773.38 and 5,286.77

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Solution

The fourth proportional to 13,182.28, 19,773.38 and 5,286.77 is: 7,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.28 : 19,773.38 = 5,286.77 : x
  2. Step 2: Convert to fraction form
    13,182.28/19,773.38 = 5,286.77/x
  3. Step 3: Cross multiply
    13,182.28x = 19,773.38 × 5,286.77
  4. Step 4: Simplify right side
    13,182.28x = 104,537,300.68
  5. Step 5: Solve for x
    x = 104,537,300.68/13,182.28
  6. Step 6: Final answer
    x = 7,930.14

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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.