Home / 10,403.31-15,607.70-3,740.48

Finding the Fourth Proportional to 10,403.31, 15,607.70 and 3,740.48

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Solution

The fourth proportional to 10,403.31, 15,607.70 and 3,740.48 is: 5,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.31 : 15,607.70 = 3,740.48 : x
  2. Step 2: Convert to fraction form
    10,403.31/15,607.70 = 3,740.48/x
  3. Step 3: Cross multiply
    10,403.31x = 15,607.70 × 3,740.48
  4. Step 4: Simplify right side
    10,403.31x = 58,380,270.99
  5. Step 5: Solve for x
    x = 58,380,270.99/10,403.31
  6. Step 6: Final answer
    x = 5,611.70

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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.