Home / 13,110.14-19,658.83-4,342.09

Finding the Fourth Proportional to 13,110.14, 19,658.83 and 4,342.09

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Solution

The fourth proportional to 13,110.14, 19,658.83 and 4,342.09 is: 6,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.14 : 19,658.83 = 4,342.09 : x
  2. Step 2: Convert to fraction form
    13,110.14/19,658.83 = 4,342.09/x
  3. Step 3: Cross multiply
    13,110.14x = 19,658.83 × 4,342.09
  4. Step 4: Simplify right side
    13,110.14x = 85,360,409.15
  5. Step 5: Solve for x
    x = 85,360,409.15/13,110.14
  6. Step 6: Final answer
    x = 6,511.02

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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.