Home / 18,218.28-25,143.64-10,262.08

Finding the Fourth Proportional to 18,218.28, 25,143.64 and 10,262.08

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Solution

The fourth proportional to 18,218.28, 25,143.64 and 10,262.08 is: 14,163.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.28 : 25,143.64 = 10,262.08 : x
  2. Step 2: Convert to fraction form
    18,218.28/25,143.64 = 10,262.08/x
  3. Step 3: Cross multiply
    18,218.28x = 25,143.64 × 10,262.08
  4. Step 4: Simplify right side
    18,218.28x = 258,026,045.17
  5. Step 5: Solve for x
    x = 258,026,045.17/18,218.28
  6. Step 6: Final answer
    x = 14,163.03

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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.