Home / 12,910.70-17,797.91-9,127.19

Finding the Fourth Proportional to 12,910.70, 17,797.91 and 9,127.19

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Solution

The fourth proportional to 12,910.70, 17,797.91 and 9,127.19 is: 12,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.70 : 17,797.91 = 9,127.19 : x
  2. Step 2: Convert to fraction form
    12,910.70/17,797.91 = 9,127.19/x
  3. Step 3: Cross multiply
    12,910.70x = 17,797.91 × 9,127.19
  4. Step 4: Simplify right side
    12,910.70x = 162,444,771.55
  5. Step 5: Solve for x
    x = 162,444,771.55/12,910.70
  6. Step 6: Final answer
    x = 12,582.19

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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.