Home / 10,578.85-15,869.66-3,555.86

Finding the Fourth Proportional to 10,578.85, 15,869.66 and 3,555.86

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Solution

The fourth proportional to 10,578.85, 15,869.66 and 3,555.86 is: 5,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.85 : 15,869.66 = 3,555.86 : x
  2. Step 2: Convert to fraction form
    10,578.85/15,869.66 = 3,555.86/x
  3. Step 3: Cross multiply
    10,578.85x = 15,869.66 × 3,555.86
  4. Step 4: Simplify right side
    10,578.85x = 56,430,192.08
  5. Step 5: Solve for x
    x = 56,430,192.08/10,578.85
  6. Step 6: Final answer
    x = 5,334.25

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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.