Home / 22,253.99-30,709.32-12,180.48

Finding the Fourth Proportional to 22,253.99, 30,709.32 and 12,180.48

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Solution

The fourth proportional to 22,253.99, 30,709.32 and 12,180.48 is: 16,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.99 : 30,709.32 = 12,180.48 : x
  2. Step 2: Convert to fraction form
    22,253.99/30,709.32 = 12,180.48/x
  3. Step 3: Cross multiply
    22,253.99x = 30,709.32 × 12,180.48
  4. Step 4: Simplify right side
    22,253.99x = 374,054,258.07
  5. Step 5: Solve for x
    x = 374,054,258.07/22,253.99
  6. Step 6: Final answer
    x = 16,808.41

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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.