Home / 13,453.38-20,188.17-4,694.45

Finding the Fourth Proportional to 13,453.38, 20,188.17 and 4,694.45

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Solution

The fourth proportional to 13,453.38, 20,188.17 and 4,694.45 is: 7,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.38 : 20,188.17 = 4,694.45 : x
  2. Step 2: Convert to fraction form
    13,453.38/20,188.17 = 4,694.45/x
  3. Step 3: Cross multiply
    13,453.38x = 20,188.17 × 4,694.45
  4. Step 4: Simplify right side
    13,453.38x = 94,772,253.72
  5. Step 5: Solve for x
    x = 94,772,253.72/13,453.38
  6. Step 6: Final answer
    x = 7,044.49

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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.