Home / 12,554.92-18,820.86-5,625.64

Finding the Fourth Proportional to 12,554.92, 18,820.86 and 5,625.64

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Solution

The fourth proportional to 12,554.92, 18,820.86 and 5,625.64 is: 8,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.92 : 18,820.86 = 5,625.64 : x
  2. Step 2: Convert to fraction form
    12,554.92/18,820.86 = 5,625.64/x
  3. Step 3: Cross multiply
    12,554.92x = 18,820.86 × 5,625.64
  4. Step 4: Simplify right side
    12,554.92x = 105,879,382.85
  5. Step 5: Solve for x
    x = 105,879,382.85/12,554.92
  6. Step 6: Final answer
    x = 8,433.30

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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.