Home / 13,204.03-18,222.06-7,539.70

Finding the Fourth Proportional to 13,204.03, 18,222.06 and 7,539.70

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Solution

The fourth proportional to 13,204.03, 18,222.06 and 7,539.70 is: 10,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.03 : 18,222.06 = 7,539.70 : x
  2. Step 2: Convert to fraction form
    13,204.03/18,222.06 = 7,539.70/x
  3. Step 3: Cross multiply
    13,204.03x = 18,222.06 × 7,539.70
  4. Step 4: Simplify right side
    13,204.03x = 137,388,865.78
  5. Step 5: Solve for x
    x = 137,388,865.78/13,204.03
  6. Step 6: Final answer
    x = 10,405.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.