Home / 12,892.05-19,337.70-4,126.83

Finding the Fourth Proportional to 12,892.05, 19,337.70 and 4,126.83

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Solution

The fourth proportional to 12,892.05, 19,337.70 and 4,126.83 is: 6,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.05 : 19,337.70 = 4,126.83 : x
  2. Step 2: Convert to fraction form
    12,892.05/19,337.70 = 4,126.83/x
  3. Step 3: Cross multiply
    12,892.05x = 19,337.70 × 4,126.83
  4. Step 4: Simplify right side
    12,892.05x = 79,803,400.49
  5. Step 5: Solve for x
    x = 79,803,400.49/12,892.05
  6. Step 6: Final answer
    x = 6,190.12

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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.