Home / 11,337.63-15,645.99-6,621

Finding the Fourth Proportional to 11,337.63, 15,645.99 and 6,621

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Solution

The fourth proportional to 11,337.63, 15,645.99 and 6,621 is: 9,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.63 : 15,645.99 = 6,621 : x
  2. Step 2: Convert to fraction form
    11,337.63/15,645.99 = 6,621/x
  3. Step 3: Cross multiply
    11,337.63x = 15,645.99 × 6,621
  4. Step 4: Simplify right side
    11,337.63x = 103,592,099.79
  5. Step 5: Solve for x
    x = 103,592,099.79/11,337.63
  6. Step 6: Final answer
    x = 9,137.02

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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.