Home / 10,091.65-13,926.80-6,313.61

Finding the Fourth Proportional to 10,091.65, 13,926.80 and 6,313.61

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Solution

The fourth proportional to 10,091.65, 13,926.80 and 6,313.61 is: 8,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.65 : 13,926.80 = 6,313.61 : x
  2. Step 2: Convert to fraction form
    10,091.65/13,926.80 = 6,313.61/x
  3. Step 3: Cross multiply
    10,091.65x = 13,926.80 × 6,313.61
  4. Step 4: Simplify right side
    10,091.65x = 87,928,383.75
  5. Step 5: Solve for x
    x = 87,928,383.75/10,091.65
  6. Step 6: Final answer
    x = 8,712.98

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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.