Home / 9,140.55-13,682.99-5,855.93

Finding the Fourth Proportional to 9,140.55, 13,682.99 and 5,855.93

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Solution

The fourth proportional to 9,140.55, 13,682.99 and 5,855.93 is: 8,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.55 : 13,682.99 = 5,855.93 : x
  2. Step 2: Convert to fraction form
    9,140.55/13,682.99 = 5,855.93/x
  3. Step 3: Cross multiply
    9,140.55x = 13,682.99 × 5,855.93
  4. Step 4: Simplify right side
    9,140.55x = 80,126,533.94
  5. Step 5: Solve for x
    x = 80,126,533.94/9,140.55
  6. Step 6: Final answer
    x = 8,766.05

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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.