Home / 13,517.02-20,279.88-6,497.55

Finding the Fourth Proportional to 13,517.02, 20,279.88 and 6,497.55

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Solution

The fourth proportional to 13,517.02, 20,279.88 and 6,497.55 is: 9,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.02 : 20,279.88 = 6,497.55 : x
  2. Step 2: Convert to fraction form
    13,517.02/20,279.88 = 6,497.55/x
  3. Step 3: Cross multiply
    13,517.02x = 20,279.88 × 6,497.55
  4. Step 4: Simplify right side
    13,517.02x = 131,769,416.65
  5. Step 5: Solve for x
    x = 131,769,416.65/13,517.02
  6. Step 6: Final answer
    x = 9,748.41

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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.