Home / 12,505.29-18,754.47-3,738.12

Finding the Fourth Proportional to 12,505.29, 18,754.47 and 3,738.12

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Solution

The fourth proportional to 12,505.29, 18,754.47 and 3,738.12 is: 5,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.29 : 18,754.47 = 3,738.12 : x
  2. Step 2: Convert to fraction form
    12,505.29/18,754.47 = 3,738.12/x
  3. Step 3: Cross multiply
    12,505.29x = 18,754.47 × 3,738.12
  4. Step 4: Simplify right side
    12,505.29x = 70,106,459.40
  5. Step 5: Solve for x
    x = 70,106,459.40/12,505.29
  6. Step 6: Final answer
    x = 5,606.14

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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.