Home / 17,289.80-25,893.12-9,871.77

Finding the Fourth Proportional to 17,289.80, 25,893.12 and 9,871.77

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Solution

The fourth proportional to 17,289.80, 25,893.12 and 9,871.77 is: 14,783.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.80 : 25,893.12 = 9,871.77 : x
  2. Step 2: Convert to fraction form
    17,289.80/25,893.12 = 9,871.77/x
  3. Step 3: Cross multiply
    17,289.80x = 25,893.12 × 9,871.77
  4. Step 4: Simplify right side
    17,289.80x = 255,611,059.34
  5. Step 5: Solve for x
    x = 255,611,059.34/17,289.80
  6. Step 6: Final answer
    x = 14,783.92

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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.