Home / 13,829.27-19,083.80-7,861.46

Finding the Fourth Proportional to 13,829.27, 19,083.80 and 7,861.46

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Solution

The fourth proportional to 13,829.27, 19,083.80 and 7,861.46 is: 10,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.27 : 19,083.80 = 7,861.46 : x
  2. Step 2: Convert to fraction form
    13,829.27/19,083.80 = 7,861.46/x
  3. Step 3: Cross multiply
    13,829.27x = 19,083.80 × 7,861.46
  4. Step 4: Simplify right side
    13,829.27x = 150,026,454.58
  5. Step 5: Solve for x
    x = 150,026,454.58/13,829.27
  6. Step 6: Final answer
    x = 10,848.48

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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.