Home / 14,879.88-22,322.52-12,130.68

Finding the Fourth Proportional to 14,879.88, 22,322.52 and 12,130.68

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Solution

The fourth proportional to 14,879.88, 22,322.52 and 12,130.68 is: 18,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.88 : 22,322.52 = 12,130.68 : x
  2. Step 2: Convert to fraction form
    14,879.88/22,322.52 = 12,130.68/x
  3. Step 3: Cross multiply
    14,879.88x = 22,322.52 × 12,130.68
  4. Step 4: Simplify right side
    14,879.88x = 270,787,346.91
  5. Step 5: Solve for x
    x = 270,787,346.91/14,879.88
  6. Step 6: Final answer
    x = 18,198.22

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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.