Home / 10,486.62-15,730.05-3,561.66

Finding the Fourth Proportional to 10,486.62, 15,730.05 and 3,561.66

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Solution

The fourth proportional to 10,486.62, 15,730.05 and 3,561.66 is: 5,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.62 : 15,730.05 = 3,561.66 : x
  2. Step 2: Convert to fraction form
    10,486.62/15,730.05 = 3,561.66/x
  3. Step 3: Cross multiply
    10,486.62x = 15,730.05 × 3,561.66
  4. Step 4: Simplify right side
    10,486.62x = 56,025,089.88
  5. Step 5: Solve for x
    x = 56,025,089.88/10,486.62
  6. Step 6: Final answer
    x = 5,342.53

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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.