Home / 13,829.82-19,079.07-9,351.96

Finding the Fourth Proportional to 13,829.82, 19,079.07 and 9,351.96

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Solution

The fourth proportional to 13,829.82, 19,079.07 and 9,351.96 is: 12,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.82 : 19,079.07 = 9,351.96 : x
  2. Step 2: Convert to fraction form
    13,829.82/19,079.07 = 9,351.96/x
  3. Step 3: Cross multiply
    13,829.82x = 19,079.07 × 9,351.96
  4. Step 4: Simplify right side
    13,829.82x = 178,426,699.48
  5. Step 5: Solve for x
    x = 178,426,699.48/13,829.82
  6. Step 6: Final answer
    x = 12,901.59

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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.