Home / 10,365.55-15,538.52-4,129.41

Finding the Fourth Proportional to 10,365.55, 15,538.52 and 4,129.41

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Solution

The fourth proportional to 10,365.55, 15,538.52 and 4,129.41 is: 6,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.55 : 15,538.52 = 4,129.41 : x
  2. Step 2: Convert to fraction form
    10,365.55/15,538.52 = 4,129.41/x
  3. Step 3: Cross multiply
    10,365.55x = 15,538.52 × 4,129.41
  4. Step 4: Simplify right side
    10,365.55x = 64,164,919.87
  5. Step 5: Solve for x
    x = 64,164,919.87/10,365.55
  6. Step 6: Final answer
    x = 6,190.21

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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.