Home / 13,436.68-20,156-3,575.92

Finding the Fourth Proportional to 13,436.68, 20,156 and 3,575.92

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Solution

The fourth proportional to 13,436.68, 20,156 and 3,575.92 is: 5,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.68 : 20,156 = 3,575.92 : x
  2. Step 2: Convert to fraction form
    13,436.68/20,156 = 3,575.92/x
  3. Step 3: Cross multiply
    13,436.68x = 20,156 × 3,575.92
  4. Step 4: Simplify right side
    13,436.68x = 72,076,243.52
  5. Step 5: Solve for x
    x = 72,076,243.52/13,436.68
  6. Step 6: Final answer
    x = 5,364.14

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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.