Home / 10,509.18-15,763.77-3,583.50

Finding the Fourth Proportional to 10,509.18, 15,763.77 and 3,583.50

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Solution

The fourth proportional to 10,509.18, 15,763.77 and 3,583.50 is: 5,375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.18 : 15,763.77 = 3,583.50 : x
  2. Step 2: Convert to fraction form
    10,509.18/15,763.77 = 3,583.50/x
  3. Step 3: Cross multiply
    10,509.18x = 15,763.77 × 3,583.50
  4. Step 4: Simplify right side
    10,509.18x = 56,489,469.80
  5. Step 5: Solve for x
    x = 56,489,469.80/10,509.18
  6. Step 6: Final answer
    x = 5,375.25

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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.