Home / 13,270.84-19,899.54-7,425.88

Finding the Fourth Proportional to 13,270.84, 19,899.54 and 7,425.88

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Solution

The fourth proportional to 13,270.84, 19,899.54 and 7,425.88 is: 11,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.84 : 19,899.54 = 7,425.88 : x
  2. Step 2: Convert to fraction form
    13,270.84/19,899.54 = 7,425.88/x
  3. Step 3: Cross multiply
    13,270.84x = 19,899.54 × 7,425.88
  4. Step 4: Simplify right side
    13,270.84x = 147,771,596.10
  5. Step 5: Solve for x
    x = 147,771,596.10/13,270.84
  6. Step 6: Final answer
    x = 11,135.06

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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.