Home / 13,634.22-20,455.02-4,869.84

Finding the Fourth Proportional to 13,634.22, 20,455.02 and 4,869.84

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Solution

The fourth proportional to 13,634.22, 20,455.02 and 4,869.84 is: 7,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.22 : 20,455.02 = 4,869.84 : x
  2. Step 2: Convert to fraction form
    13,634.22/20,455.02 = 4,869.84/x
  3. Step 3: Cross multiply
    13,634.22x = 20,455.02 × 4,869.84
  4. Step 4: Simplify right side
    13,634.22x = 99,612,674.60
  5. Step 5: Solve for x
    x = 99,612,674.60/13,634.22
  6. Step 6: Final answer
    x = 7,306.08

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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.