Home / 12,126.62-18,182.06-4,731.83

Finding the Fourth Proportional to 12,126.62, 18,182.06 and 4,731.83

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Solution

The fourth proportional to 12,126.62, 18,182.06 and 4,731.83 is: 7,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.62 : 18,182.06 = 4,731.83 : x
  2. Step 2: Convert to fraction form
    12,126.62/18,182.06 = 4,731.83/x
  3. Step 3: Cross multiply
    12,126.62x = 18,182.06 × 4,731.83
  4. Step 4: Simplify right side
    12,126.62x = 86,034,302.40
  5. Step 5: Solve for x
    x = 86,034,302.40/12,126.62
  6. Step 6: Final answer
    x = 7,094.67

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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.