Home / 13,240.06-19,855.70-5,340.54

Finding the Fourth Proportional to 13,240.06, 19,855.70 and 5,340.54

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Solution

The fourth proportional to 13,240.06, 19,855.70 and 5,340.54 is: 8,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.06 : 19,855.70 = 5,340.54 : x
  2. Step 2: Convert to fraction form
    13,240.06/19,855.70 = 5,340.54/x
  3. Step 3: Cross multiply
    13,240.06x = 19,855.70 × 5,340.54
  4. Step 4: Simplify right side
    13,240.06x = 106,040,160.08
  5. Step 5: Solve for x
    x = 106,040,160.08/13,240.06
  6. Step 6: Final answer
    x = 8,009.04

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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.