Home / 13,177.56-19,747.38-5,679.06

Finding the Fourth Proportional to 13,177.56, 19,747.38 and 5,679.06

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Solution

The fourth proportional to 13,177.56, 19,747.38 and 5,679.06 is: 8,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.56 : 19,747.38 = 5,679.06 : x
  2. Step 2: Convert to fraction form
    13,177.56/19,747.38 = 5,679.06/x
  3. Step 3: Cross multiply
    13,177.56x = 19,747.38 × 5,679.06
  4. Step 4: Simplify right side
    13,177.56x = 112,146,555.86
  5. Step 5: Solve for x
    x = 112,146,555.86/13,177.56
  6. Step 6: Final answer
    x = 8,510.42

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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.