Home / 12,141.40-18,204.60-4,737.22

Finding the Fourth Proportional to 12,141.40, 18,204.60 and 4,737.22

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Solution

The fourth proportional to 12,141.40, 18,204.60 and 4,737.22 is: 7,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.40 : 18,204.60 = 4,737.22 : x
  2. Step 2: Convert to fraction form
    12,141.40/18,204.60 = 4,737.22/x
  3. Step 3: Cross multiply
    12,141.40x = 18,204.60 × 4,737.22
  4. Step 4: Simplify right side
    12,141.40x = 86,239,195.21
  5. Step 5: Solve for x
    x = 86,239,195.21/12,141.40
  6. Step 6: Final answer
    x = 7,102.90

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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.