Home / 10,403.99-15,607.53-3,829.70

Finding the Fourth Proportional to 10,403.99, 15,607.53 and 3,829.70

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Solution

The fourth proportional to 10,403.99, 15,607.53 and 3,829.70 is: 5,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.99 : 15,607.53 = 3,829.70 : x
  2. Step 2: Convert to fraction form
    10,403.99/15,607.53 = 3,829.70/x
  3. Step 3: Cross multiply
    10,403.99x = 15,607.53 × 3,829.70
  4. Step 4: Simplify right side
    10,403.99x = 59,772,157.64
  5. Step 5: Solve for x
    x = 59,772,157.64/10,403.99
  6. Step 6: Final answer
    x = 5,745.12

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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.