Home / 13,748.89-20,624.27-4,389.62

Finding the Fourth Proportional to 13,748.89, 20,624.27 and 4,389.62

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Solution

The fourth proportional to 13,748.89, 20,624.27 and 4,389.62 is: 6,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.89 : 20,624.27 = 4,389.62 : x
  2. Step 2: Convert to fraction form
    13,748.89/20,624.27 = 4,389.62/x
  3. Step 3: Cross multiply
    13,748.89x = 20,624.27 × 4,389.62
  4. Step 4: Simplify right side
    13,748.89x = 90,532,708.08
  5. Step 5: Solve for x
    x = 90,532,708.08/13,748.89
  6. Step 6: Final answer
    x = 6,584.73

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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.