Home / 12,552.20-18,798.62-10,899.77

Finding the Fourth Proportional to 12,552.20, 18,798.62 and 10,899.77

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Solution

The fourth proportional to 12,552.20, 18,798.62 and 10,899.77 is: 16,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.20 : 18,798.62 = 10,899.77 : x
  2. Step 2: Convert to fraction form
    12,552.20/18,798.62 = 10,899.77/x
  3. Step 3: Cross multiply
    12,552.20x = 18,798.62 × 10,899.77
  4. Step 4: Simplify right side
    12,552.20x = 204,900,626.82
  5. Step 5: Solve for x
    x = 204,900,626.82/12,552.20
  6. Step 6: Final answer
    x = 16,323.88

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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.