Home / 13,249.49-18,284.76-7,281.71

Finding the Fourth Proportional to 13,249.49, 18,284.76 and 7,281.71

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Solution

The fourth proportional to 13,249.49, 18,284.76 and 7,281.71 is: 10,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.49 : 18,284.76 = 7,281.71 : x
  2. Step 2: Convert to fraction form
    13,249.49/18,284.76 = 7,281.71/x
  3. Step 3: Cross multiply
    13,249.49x = 18,284.76 × 7,281.71
  4. Step 4: Simplify right side
    13,249.49x = 133,144,228.32
  5. Step 5: Solve for x
    x = 133,144,228.32/13,249.49
  6. Step 6: Final answer
    x = 10,049.01

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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.