Home / 13,541.42-20,304.69-4,178.89

Finding the Fourth Proportional to 13,541.42, 20,304.69 and 4,178.89

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Solution

The fourth proportional to 13,541.42, 20,304.69 and 4,178.89 is: 6,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.42 : 20,304.69 = 4,178.89 : x
  2. Step 2: Convert to fraction form
    13,541.42/20,304.69 = 4,178.89/x
  3. Step 3: Cross multiply
    13,541.42x = 20,304.69 × 4,178.89
  4. Step 4: Simplify right side
    13,541.42x = 84,851,065.99
  5. Step 5: Solve for x
    x = 84,851,065.99/13,541.42
  6. Step 6: Final answer
    x = 6,266.04

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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.