Home / 13,183.59-19,780.25-6,943.35

Finding the Fourth Proportional to 13,183.59, 19,780.25 and 6,943.35

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Solution

The fourth proportional to 13,183.59, 19,780.25 and 6,943.35 is: 10,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.59 : 19,780.25 = 6,943.35 : x
  2. Step 2: Convert to fraction form
    13,183.59/19,780.25 = 6,943.35/x
  3. Step 3: Cross multiply
    13,183.59x = 19,780.25 × 6,943.35
  4. Step 4: Simplify right side
    13,183.59x = 137,341,277.35
  5. Step 5: Solve for x
    x = 137,341,277.35/13,183.59
  6. Step 6: Final answer
    x = 10,417.59

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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.