Home / 17,187.30-25,790.90-9,289.98

Finding the Fourth Proportional to 17,187.30, 25,790.90 and 9,289.98

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Solution

The fourth proportional to 17,187.30, 25,790.90 and 9,289.98 is: 13,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.30 : 25,790.90 = 9,289.98 : x
  2. Step 2: Convert to fraction form
    17,187.30/25,790.90 = 9,289.98/x
  3. Step 3: Cross multiply
    17,187.30x = 25,790.90 × 9,289.98
  4. Step 4: Simplify right side
    17,187.30x = 239,596,898.73
  5. Step 5: Solve for x
    x = 239,596,898.73/17,187.30
  6. Step 6: Final answer
    x = 13,940.35

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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.