Home / 11,723.04-16,177.81-6,417.88

Finding the Fourth Proportional to 11,723.04, 16,177.81 and 6,417.88

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Solution

The fourth proportional to 11,723.04, 16,177.81 and 6,417.88 is: 8,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.04 : 16,177.81 = 6,417.88 : x
  2. Step 2: Convert to fraction form
    11,723.04/16,177.81 = 6,417.88/x
  3. Step 3: Cross multiply
    11,723.04x = 16,177.81 × 6,417.88
  4. Step 4: Simplify right side
    11,723.04x = 103,827,186.75
  5. Step 5: Solve for x
    x = 103,827,186.75/11,723.04
  6. Step 6: Final answer
    x = 8,856.68

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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.