Home / 12,249.24-16,899.92-6,870.92

Finding the Fourth Proportional to 12,249.24, 16,899.92 and 6,870.92

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Solution

The fourth proportional to 12,249.24, 16,899.92 and 6,870.92 is: 9,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.24 : 16,899.92 = 6,870.92 : x
  2. Step 2: Convert to fraction form
    12,249.24/16,899.92 = 6,870.92/x
  3. Step 3: Cross multiply
    12,249.24x = 16,899.92 × 6,870.92
  4. Step 4: Simplify right side
    12,249.24x = 116,117,879.47
  5. Step 5: Solve for x
    x = 116,117,879.47/12,249.24
  6. Step 6: Final answer
    x = 9,479.60

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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.