Home / 18,222.72-25,141.44-14,859.84

Finding the Fourth Proportional to 18,222.72, 25,141.44 and 14,859.84

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Solution

The fourth proportional to 18,222.72, 25,141.44 and 14,859.84 is: 20,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.72 : 25,141.44 = 14,859.84 : x
  2. Step 2: Convert to fraction form
    18,222.72/25,141.44 = 14,859.84/x
  3. Step 3: Cross multiply
    18,222.72x = 25,141.44 × 14,859.84
  4. Step 4: Simplify right side
    18,222.72x = 373,597,775.77
  5. Step 5: Solve for x
    x = 373,597,775.77/18,222.72
  6. Step 6: Final answer
    x = 20,501.76

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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.