Home / 11,653.07-16,081.25-6,347.88

Finding the Fourth Proportional to 11,653.07, 16,081.25 and 6,347.88

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Solution

The fourth proportional to 11,653.07, 16,081.25 and 6,347.88 is: 8,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.07 : 16,081.25 = 6,347.88 : x
  2. Step 2: Convert to fraction form
    11,653.07/16,081.25 = 6,347.88/x
  3. Step 3: Cross multiply
    11,653.07x = 16,081.25 × 6,347.88
  4. Step 4: Simplify right side
    11,653.07x = 102,081,813.51
  5. Step 5: Solve for x
    x = 102,081,813.51/11,653.07
  6. Step 6: Final answer
    x = 8,760.08

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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.