Home / 13,249.17-18,284.20-7,281

Finding the Fourth Proportional to 13,249.17, 18,284.20 and 7,281

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Solution

The fourth proportional to 13,249.17, 18,284.20 and 7,281 is: 10,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.17 : 18,284.20 = 7,281 : x
  2. Step 2: Convert to fraction form
    13,249.17/18,284.20 = 7,281/x
  3. Step 3: Cross multiply
    13,249.17x = 18,284.20 × 7,281
  4. Step 4: Simplify right side
    13,249.17x = 133,127,242.00
  5. Step 5: Solve for x
    x = 133,127,242.00/13,249.17
  6. Step 6: Final answer
    x = 10,047.97

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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.