Home / 13,472.24-20,196.06-11,405.54

Finding the Fourth Proportional to 13,472.24, 20,196.06 and 11,405.54

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Solution

The fourth proportional to 13,472.24, 20,196.06 and 11,405.54 is: 17,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.24 : 20,196.06 = 11,405.54 : x
  2. Step 2: Convert to fraction form
    13,472.24/20,196.06 = 11,405.54/x
  3. Step 3: Cross multiply
    13,472.24x = 20,196.06 × 11,405.54
  4. Step 4: Simplify right side
    13,472.24x = 230,346,970.17
  5. Step 5: Solve for x
    x = 230,346,970.17/13,472.24
  6. Step 6: Final answer
    x = 17,097.90

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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.