Home / 13,743.03-20,617.35-4,382.79

Finding the Fourth Proportional to 13,743.03, 20,617.35 and 4,382.79

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Solution

The fourth proportional to 13,743.03, 20,617.35 and 4,382.79 is: 6,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.03 : 20,617.35 = 4,382.79 : x
  2. Step 2: Convert to fraction form
    13,743.03/20,617.35 = 4,382.79/x
  3. Step 3: Cross multiply
    13,743.03x = 20,617.35 × 4,382.79
  4. Step 4: Simplify right side
    13,743.03x = 90,361,515.41
  5. Step 5: Solve for x
    x = 90,361,515.41/13,743.03
  6. Step 6: Final answer
    x = 6,575.08

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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.