Home / 13,788.44-20,672.58-4,423.13

Finding the Fourth Proportional to 13,788.44, 20,672.58 and 4,423.13

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Solution

The fourth proportional to 13,788.44, 20,672.58 and 4,423.13 is: 6,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.44 : 20,672.58 = 4,423.13 : x
  2. Step 2: Convert to fraction form
    13,788.44/20,672.58 = 4,423.13/x
  3. Step 3: Cross multiply
    13,788.44x = 20,672.58 × 4,423.13
  4. Step 4: Simplify right side
    13,788.44x = 91,437,508.78
  5. Step 5: Solve for x
    x = 91,437,508.78/13,788.44
  6. Step 6: Final answer
    x = 6,631.46

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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.