Home / 13,701.54-18,880.22-9,453.90

Finding the Fourth Proportional to 13,701.54, 18,880.22 and 9,453.90

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Solution

The fourth proportional to 13,701.54, 18,880.22 and 9,453.90 is: 13,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.54 : 18,880.22 = 9,453.90 : x
  2. Step 2: Convert to fraction form
    13,701.54/18,880.22 = 9,453.90/x
  3. Step 3: Cross multiply
    13,701.54x = 18,880.22 × 9,453.90
  4. Step 4: Simplify right side
    13,701.54x = 178,491,711.86
  5. Step 5: Solve for x
    x = 178,491,711.86/13,701.54
  6. Step 6: Final answer
    x = 13,027.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.