Home / 13,337.08-20,006.78-3,849.45

Finding the Fourth Proportional to 13,337.08, 20,006.78 and 3,849.45

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Solution

The fourth proportional to 13,337.08, 20,006.78 and 3,849.45 is: 5,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.08 : 20,006.78 = 3,849.45 : x
  2. Step 2: Convert to fraction form
    13,337.08/20,006.78 = 3,849.45/x
  3. Step 3: Cross multiply
    13,337.08x = 20,006.78 × 3,849.45
  4. Step 4: Simplify right side
    13,337.08x = 77,015,099.27
  5. Step 5: Solve for x
    x = 77,015,099.27/13,337.08
  6. Step 6: Final answer
    x = 5,774.51

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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.