Home / 10,434.45-15,655.95-3,771.87

Finding the Fourth Proportional to 10,434.45, 15,655.95 and 3,771.87

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Solution

The fourth proportional to 10,434.45, 15,655.95 and 3,771.87 is: 5,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.45 : 15,655.95 = 3,771.87 : x
  2. Step 2: Convert to fraction form
    10,434.45/15,655.95 = 3,771.87/x
  3. Step 3: Cross multiply
    10,434.45x = 15,655.95 × 3,771.87
  4. Step 4: Simplify right side
    10,434.45x = 59,052,149.42
  5. Step 5: Solve for x
    x = 59,052,149.42/10,434.45
  6. Step 6: Final answer
    x = 5,659.34

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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.