Home / 11,723.12-16,177.91-6,417.93

Finding the Fourth Proportional to 11,723.12, 16,177.91 and 6,417.93

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Solution

The fourth proportional to 11,723.12, 16,177.91 and 6,417.93 is: 8,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.12 : 16,177.91 = 6,417.93 : x
  2. Step 2: Convert to fraction form
    11,723.12/16,177.91 = 6,417.93/x
  3. Step 3: Cross multiply
    11,723.12x = 16,177.91 × 6,417.93
  4. Step 4: Simplify right side
    11,723.12x = 103,828,661.84
  5. Step 5: Solve for x
    x = 103,828,661.84/11,723.12
  6. Step 6: Final answer
    x = 8,856.75

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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.