Home / 13,773.81-20,658.65-4,412.85

Finding the Fourth Proportional to 13,773.81, 20,658.65 and 4,412.85

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Solution

The fourth proportional to 13,773.81, 20,658.65 and 4,412.85 is: 6,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.81 : 20,658.65 = 4,412.85 : x
  2. Step 2: Convert to fraction form
    13,773.81/20,658.65 = 4,412.85/x
  3. Step 3: Cross multiply
    13,773.81x = 20,658.65 × 4,412.85
  4. Step 4: Simplify right side
    13,773.81x = 91,163,448.94
  5. Step 5: Solve for x
    x = 91,163,448.94/13,773.81
  6. Step 6: Final answer
    x = 6,618.61

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1.5x scale

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.