Home / 12,334.78-18,492.91-4,009.85

Finding the Fourth Proportional to 12,334.78, 18,492.91 and 4,009.85

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Solution

The fourth proportional to 12,334.78, 18,492.91 and 4,009.85 is: 6,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.78 : 18,492.91 = 4,009.85 : x
  2. Step 2: Convert to fraction form
    12,334.78/18,492.91 = 4,009.85/x
  3. Step 3: Cross multiply
    12,334.78x = 18,492.91 × 4,009.85
  4. Step 4: Simplify right side
    12,334.78x = 74,153,866.05
  5. Step 5: Solve for x
    x = 74,153,866.05/12,334.78
  6. Step 6: Final answer
    x = 6,011.77

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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.