Home / 13,829.60-19,086.57-8,450.93

Finding the Fourth Proportional to 13,829.60, 19,086.57 and 8,450.93

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Solution

The fourth proportional to 13,829.60, 19,086.57 and 8,450.93 is: 11,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.60 : 19,086.57 = 8,450.93 : x
  2. Step 2: Convert to fraction form
    13,829.60/19,086.57 = 8,450.93/x
  3. Step 3: Cross multiply
    13,829.60x = 19,086.57 × 8,450.93
  4. Step 4: Simplify right side
    13,829.60x = 161,299,224.76
  5. Step 5: Solve for x
    x = 161,299,224.76/13,829.60
  6. Step 6: Final answer
    x = 11,663.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.