Home / 13,249.32-18,284.05-7,280.99

Finding the Fourth Proportional to 13,249.32, 18,284.05 and 7,280.99

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Solution

The fourth proportional to 13,249.32, 18,284.05 and 7,280.99 is: 10,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.32 : 18,284.05 = 7,280.99 : x
  2. Step 2: Convert to fraction form
    13,249.32/18,284.05 = 7,280.99/x
  3. Step 3: Cross multiply
    13,249.32x = 18,284.05 × 7,280.99
  4. Step 4: Simplify right side
    13,249.32x = 133,126,033.35
  5. Step 5: Solve for x
    x = 133,126,033.35/13,249.32
  6. Step 6: Final answer
    x = 10,047.76

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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.