Home / 13,763.61-20,642.31-6,364.02

Finding the Fourth Proportional to 13,763.61, 20,642.31 and 6,364.02

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Solution

The fourth proportional to 13,763.61, 20,642.31 and 6,364.02 is: 9,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.61 : 20,642.31 = 6,364.02 : x
  2. Step 2: Convert to fraction form
    13,763.61/20,642.31 = 6,364.02/x
  3. Step 3: Cross multiply
    13,763.61x = 20,642.31 × 6,364.02
  4. Step 4: Simplify right side
    13,763.61x = 131,368,073.69
  5. Step 5: Solve for x
    x = 131,368,073.69/13,763.61
  6. Step 6: Final answer
    x = 9,544.59

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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.