Home / 13,236.87-19,857.74-4,352.70

Finding the Fourth Proportional to 13,236.87, 19,857.74 and 4,352.70

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Solution

The fourth proportional to 13,236.87, 19,857.74 and 4,352.70 is: 6,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.87 : 19,857.74 = 4,352.70 : x
  2. Step 2: Convert to fraction form
    13,236.87/19,857.74 = 4,352.70/x
  3. Step 3: Cross multiply
    13,236.87x = 19,857.74 × 4,352.70
  4. Step 4: Simplify right side
    13,236.87x = 86,434,763.13
  5. Step 5: Solve for x
    x = 86,434,763.13/13,236.87
  6. Step 6: Final answer
    x = 6,529.85

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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.