Home / 11,301.72-16,953.71-4,187.87

Finding the Fourth Proportional to 11,301.72, 16,953.71 and 4,187.87

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Solution

The fourth proportional to 11,301.72, 16,953.71 and 4,187.87 is: 6,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.72 : 16,953.71 = 4,187.87 : x
  2. Step 2: Convert to fraction form
    11,301.72/16,953.71 = 4,187.87/x
  3. Step 3: Cross multiply
    11,301.72x = 16,953.71 × 4,187.87
  4. Step 4: Simplify right side
    11,301.72x = 70,999,827.79
  5. Step 5: Solve for x
    x = 70,999,827.79/11,301.72
  6. Step 6: Final answer
    x = 6,282.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.