Home / 13,303.30-19,957.38-5,512.72

Finding the Fourth Proportional to 13,303.30, 19,957.38 and 5,512.72

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Solution

The fourth proportional to 13,303.30, 19,957.38 and 5,512.72 is: 8,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.30 : 19,957.38 = 5,512.72 : x
  2. Step 2: Convert to fraction form
    13,303.30/19,957.38 = 5,512.72/x
  3. Step 3: Cross multiply
    13,303.30x = 19,957.38 × 5,512.72
  4. Step 4: Simplify right side
    13,303.30x = 110,019,447.87
  5. Step 5: Solve for x
    x = 110,019,447.87/13,303.30
  6. Step 6: Final answer
    x = 8,270.09

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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.