Home / 10,518.50-15,778.56-3,593

Finding the Fourth Proportional to 10,518.50, 15,778.56 and 3,593

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Solution

The fourth proportional to 10,518.50, 15,778.56 and 3,593 is: 5,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.50 : 15,778.56 = 3,593 : x
  2. Step 2: Convert to fraction form
    10,518.50/15,778.56 = 3,593/x
  3. Step 3: Cross multiply
    10,518.50x = 15,778.56 × 3,593
  4. Step 4: Simplify right side
    10,518.50x = 56,692,366.08
  5. Step 5: Solve for x
    x = 56,692,366.08/10,518.50
  6. Step 6: Final answer
    x = 5,389.78

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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.