Home / 13,541.57-20,304.15-8,855.92

Finding the Fourth Proportional to 13,541.57, 20,304.15 and 8,855.92

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Solution

The fourth proportional to 13,541.57, 20,304.15 and 8,855.92 is: 13,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.57 : 20,304.15 = 8,855.92 : x
  2. Step 2: Convert to fraction form
    13,541.57/20,304.15 = 8,855.92/x
  3. Step 3: Cross multiply
    13,541.57x = 20,304.15 × 8,855.92
  4. Step 4: Simplify right side
    13,541.57x = 179,811,928.07
  5. Step 5: Solve for x
    x = 179,811,928.07/13,541.57
  6. Step 6: Final answer
    x = 13,278.51

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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.