Home / 13,541.55-20,304.88-4,178.99

Finding the Fourth Proportional to 13,541.55, 20,304.88 and 4,178.99

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Solution

The fourth proportional to 13,541.55, 20,304.88 and 4,178.99 is: 6,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.55 : 20,304.88 = 4,178.99 : x
  2. Step 2: Convert to fraction form
    13,541.55/20,304.88 = 4,178.99/x
  3. Step 3: Cross multiply
    13,541.55x = 20,304.88 × 4,178.99
  4. Step 4: Simplify right side
    13,541.55x = 84,853,930.79
  5. Step 5: Solve for x
    x = 84,853,930.79/13,541.55
  6. Step 6: Final answer
    x = 6,266.19

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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.