Home / 12,243.03-18,380.04-10,188.16

Finding the Fourth Proportional to 12,243.03, 18,380.04 and 10,188.16

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Solution

The fourth proportional to 12,243.03, 18,380.04 and 10,188.16 is: 15,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.03 : 18,380.04 = 10,188.16 : x
  2. Step 2: Convert to fraction form
    12,243.03/18,380.04 = 10,188.16/x
  3. Step 3: Cross multiply
    12,243.03x = 18,380.04 × 10,188.16
  4. Step 4: Simplify right side
    12,243.03x = 187,258,836.21
  5. Step 5: Solve for x
    x = 187,258,836.21/12,243.03
  6. Step 6: Final answer
    x = 15,295.14

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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.