Home / 18,222.84-25,146.72-11,059.20

Finding the Fourth Proportional to 18,222.84, 25,146.72 and 11,059.20

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Solution

The fourth proportional to 18,222.84, 25,146.72 and 11,059.20 is: 15,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.84 : 25,146.72 = 11,059.20 : x
  2. Step 2: Convert to fraction form
    18,222.84/25,146.72 = 11,059.20/x
  3. Step 3: Cross multiply
    18,222.84x = 25,146.72 × 11,059.20
  4. Step 4: Simplify right side
    18,222.84x = 278,102,605.82
  5. Step 5: Solve for x
    x = 278,102,605.82/18,222.84
  6. Step 6: Final answer
    x = 15,261.21

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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.