Home / 11,879.15-16,392.51-6,573.65

Finding the Fourth Proportional to 11,879.15, 16,392.51 and 6,573.65

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Solution

The fourth proportional to 11,879.15, 16,392.51 and 6,573.65 is: 9,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.15 : 16,392.51 = 6,573.65 : x
  2. Step 2: Convert to fraction form
    11,879.15/16,392.51 = 6,573.65/x
  3. Step 3: Cross multiply
    11,879.15x = 16,392.51 × 6,573.65
  4. Step 4: Simplify right side
    11,879.15x = 107,758,541.40
  5. Step 5: Solve for x
    x = 107,758,541.40/11,879.15
  6. Step 6: Final answer
    x = 9,071.24

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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.