Home / 10,342.80-15,501.96-3,765.48

Finding the Fourth Proportional to 10,342.80, 15,501.96 and 3,765.48

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Solution

The fourth proportional to 10,342.80, 15,501.96 and 3,765.48 is: 5,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.80 : 15,501.96 = 3,765.48 : x
  2. Step 2: Convert to fraction form
    10,342.80/15,501.96 = 3,765.48/x
  3. Step 3: Cross multiply
    10,342.80x = 15,501.96 × 3,765.48
  4. Step 4: Simplify right side
    10,342.80x = 58,372,320.34
  5. Step 5: Solve for x
    x = 58,372,320.34/10,342.80
  6. Step 6: Final answer
    x = 5,643.76

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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.