Home / 13,039.11-19,558.67-6,111.99

Finding the Fourth Proportional to 13,039.11, 19,558.67 and 6,111.99

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Solution

The fourth proportional to 13,039.11, 19,558.67 and 6,111.99 is: 9,167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.11 : 19,558.67 = 6,111.99 : x
  2. Step 2: Convert to fraction form
    13,039.11/19,558.67 = 6,111.99/x
  3. Step 3: Cross multiply
    13,039.11x = 19,558.67 × 6,111.99
  4. Step 4: Simplify right side
    13,039.11x = 119,542,364.89
  5. Step 5: Solve for x
    x = 119,542,364.89/13,039.11
  6. Step 6: Final answer
    x = 9,167.99

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Similar ratio
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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.