Home / 13,748.88-20,623.32-4,389.24

Finding the Fourth Proportional to 13,748.88, 20,623.32 and 4,389.24

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Solution

The fourth proportional to 13,748.88, 20,623.32 and 4,389.24 is: 6,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.88 : 20,623.32 = 4,389.24 : x
  2. Step 2: Convert to fraction form
    13,748.88/20,623.32 = 4,389.24/x
  3. Step 3: Cross multiply
    13,748.88x = 20,623.32 × 4,389.24
  4. Step 4: Simplify right side
    13,748.88x = 90,520,701.08
  5. Step 5: Solve for x
    x = 90,520,701.08/13,748.88
  6. Step 6: Final answer
    x = 6,583.86

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Similar ratio
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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.