Home / 11,231.60-16,837.68-6,031.40

Finding the Fourth Proportional to 11,231.60, 16,837.68 and 6,031.40

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Solution

The fourth proportional to 11,231.60, 16,837.68 and 6,031.40 is: 9,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.60 : 16,837.68 = 6,031.40 : x
  2. Step 2: Convert to fraction form
    11,231.60/16,837.68 = 6,031.40/x
  3. Step 3: Cross multiply
    11,231.60x = 16,837.68 × 6,031.40
  4. Step 4: Simplify right side
    11,231.60x = 101,554,783.15
  5. Step 5: Solve for x
    x = 101,554,783.15/11,231.60
  6. Step 6: Final answer
    x = 9,041.88

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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.