Home / 14,835.50-20,473.04-8,121.18

Finding the Fourth Proportional to 14,835.50, 20,473.04 and 8,121.18

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Solution

The fourth proportional to 14,835.50, 20,473.04 and 8,121.18 is: 11,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.50 : 20,473.04 = 8,121.18 : x
  2. Step 2: Convert to fraction form
    14,835.50/20,473.04 = 8,121.18/x
  3. Step 3: Cross multiply
    14,835.50x = 20,473.04 × 8,121.18
  4. Step 4: Simplify right side
    14,835.50x = 166,265,202.38
  5. Step 5: Solve for x
    x = 166,265,202.38/14,835.50
  6. Step 6: Final answer
    x = 11,207.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.