Home / 18,655.31-25,744.43-10,271.81

Finding the Fourth Proportional to 18,655.31, 25,744.43 and 10,271.81

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Solution

The fourth proportional to 18,655.31, 25,744.43 and 10,271.81 is: 14,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.31 : 25,744.43 = 10,271.81 : x
  2. Step 2: Convert to fraction form
    18,655.31/25,744.43 = 10,271.81/x
  3. Step 3: Cross multiply
    18,655.31x = 25,744.43 × 10,271.81
  4. Step 4: Simplify right side
    18,655.31x = 264,441,983.56
  5. Step 5: Solve for x
    x = 264,441,983.56/18,655.31
  6. Step 6: Final answer
    x = 14,175.16

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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.