Home / 13,393.92-20,084.40-4,625.76

Finding the Fourth Proportional to 13,393.92, 20,084.40 and 4,625.76

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Solution

The fourth proportional to 13,393.92, 20,084.40 and 4,625.76 is: 6,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.92 : 20,084.40 = 4,625.76 : x
  2. Step 2: Convert to fraction form
    13,393.92/20,084.40 = 4,625.76/x
  3. Step 3: Cross multiply
    13,393.92x = 20,084.40 × 4,625.76
  4. Step 4: Simplify right side
    13,393.92x = 92,905,614.14
  5. Step 5: Solve for x
    x = 92,905,614.14/13,393.92
  6. Step 6: Final answer
    x = 6,936.40

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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.