Home / 13,166.24-18,169.37-7,197.91

Finding the Fourth Proportional to 13,166.24, 18,169.37 and 7,197.91

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Solution

The fourth proportional to 13,166.24, 18,169.37 and 7,197.91 is: 9,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.24 : 18,169.37 = 7,197.91 : x
  2. Step 2: Convert to fraction form
    13,166.24/18,169.37 = 7,197.91/x
  3. Step 3: Cross multiply
    13,166.24x = 18,169.37 × 7,197.91
  4. Step 4: Simplify right side
    13,166.24x = 130,781,490.02
  5. Step 5: Solve for x
    x = 130,781,490.02/13,166.24
  6. Step 6: Final answer
    x = 9,933.09

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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.