Home / 20,552.36-30,836.26-12,237.16

Finding the Fourth Proportional to 20,552.36, 30,836.26 and 12,237.16

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Solution

The fourth proportional to 20,552.36, 30,836.26 and 12,237.16 is: 18,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.36 : 30,836.26 = 12,237.16 : x
  2. Step 2: Convert to fraction form
    20,552.36/30,836.26 = 12,237.16/x
  3. Step 3: Cross multiply
    20,552.36x = 30,836.26 × 12,237.16
  4. Step 4: Simplify right side
    20,552.36x = 377,348,247.42
  5. Step 5: Solve for x
    x = 377,348,247.42/20,552.36
  6. Step 6: Final answer
    x = 18,360.34

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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.