Home / 13,249.14-18,284.13-7,281.38

Finding the Fourth Proportional to 13,249.14, 18,284.13 and 7,281.38

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Solution

The fourth proportional to 13,249.14, 18,284.13 and 7,281.38 is: 10,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.14 : 18,284.13 = 7,281.38 : x
  2. Step 2: Convert to fraction form
    13,249.14/18,284.13 = 7,281.38/x
  3. Step 3: Cross multiply
    13,249.14x = 18,284.13 × 7,281.38
  4. Step 4: Simplify right side
    13,249.14x = 133,133,607.08
  5. Step 5: Solve for x
    x = 133,133,607.08/13,249.14
  6. Step 6: Final answer
    x = 10,048.47

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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.