Home / 12,504.94-18,752.84-5,480.11

Finding the Fourth Proportional to 12,504.94, 18,752.84 and 5,480.11

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Solution

The fourth proportional to 12,504.94, 18,752.84 and 5,480.11 is: 8,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.94 : 18,752.84 = 5,480.11 : x
  2. Step 2: Convert to fraction form
    12,504.94/18,752.84 = 5,480.11/x
  3. Step 3: Cross multiply
    12,504.94x = 18,752.84 × 5,480.11
  4. Step 4: Simplify right side
    12,504.94x = 102,767,626.01
  5. Step 5: Solve for x
    x = 102,767,626.01/12,504.94
  6. Step 6: Final answer
    x = 8,218.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.