Home / 13,952.92-20,934.84-6,156.28

Finding the Fourth Proportional to 13,952.92, 20,934.84 and 6,156.28

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Solution

The fourth proportional to 13,952.92, 20,934.84 and 6,156.28 is: 9,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.92 : 20,934.84 = 6,156.28 : x
  2. Step 2: Convert to fraction form
    13,952.92/20,934.84 = 6,156.28/x
  3. Step 3: Cross multiply
    13,952.92x = 20,934.84 × 6,156.28
  4. Step 4: Simplify right side
    13,952.92x = 128,880,736.80
  5. Step 5: Solve for x
    x = 128,880,736.80/13,952.92
  6. Step 6: Final answer
    x = 9,236.83

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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.