Home / 12,102.04-18,141.72-4,711.24

Finding the Fourth Proportional to 12,102.04, 18,141.72 and 4,711.24

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Solution

The fourth proportional to 12,102.04, 18,141.72 and 4,711.24 is: 7,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.04 : 18,141.72 = 4,711.24 : x
  2. Step 2: Convert to fraction form
    12,102.04/18,141.72 = 4,711.24/x
  3. Step 3: Cross multiply
    12,102.04x = 18,141.72 × 4,711.24
  4. Step 4: Simplify right side
    12,102.04x = 85,469,996.93
  5. Step 5: Solve for x
    x = 85,469,996.93/12,102.04
  6. Step 6: Final answer
    x = 7,062.45

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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.