Home / 13,160.56-19,741-4,395.50

Finding the Fourth Proportional to 13,160.56, 19,741 and 4,395.50

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Solution

The fourth proportional to 13,160.56, 19,741 and 4,395.50 is: 6,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.56 : 19,741 = 4,395.50 : x
  2. Step 2: Convert to fraction form
    13,160.56/19,741 = 4,395.50/x
  3. Step 3: Cross multiply
    13,160.56x = 19,741 × 4,395.50
  4. Step 4: Simplify right side
    13,160.56x = 86,771,565.50
  5. Step 5: Solve for x
    x = 86,771,565.50/13,160.56
  6. Step 6: Final answer
    x = 6,593.30

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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.