Home / 13,077.92-19,622.68-7,455.39

Finding the Fourth Proportional to 13,077.92, 19,622.68 and 7,455.39

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Solution

The fourth proportional to 13,077.92, 19,622.68 and 7,455.39 is: 11,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.92 : 19,622.68 = 7,455.39 : x
  2. Step 2: Convert to fraction form
    13,077.92/19,622.68 = 7,455.39/x
  3. Step 3: Cross multiply
    13,077.92x = 19,622.68 × 7,455.39
  4. Step 4: Simplify right side
    13,077.92x = 146,294,623.60
  5. Step 5: Solve for x
    x = 146,294,623.60/13,077.92
  6. Step 6: Final answer
    x = 11,186.38

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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.