Home / 13,018.80-19,516.68-6,091.44

Finding the Fourth Proportional to 13,018.80, 19,516.68 and 6,091.44

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Solution

The fourth proportional to 13,018.80, 19,516.68 and 6,091.44 is: 9,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.80 : 19,516.68 = 6,091.44 : x
  2. Step 2: Convert to fraction form
    13,018.80/19,516.68 = 6,091.44/x
  3. Step 3: Cross multiply
    13,018.80x = 19,516.68 × 6,091.44
  4. Step 4: Simplify right side
    13,018.80x = 118,884,685.22
  5. Step 5: Solve for x
    x = 118,884,685.22/13,018.80
  6. Step 6: Final answer
    x = 9,131.77

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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.