Home / 13,195.59-18,209.91-7,227.27

Finding the Fourth Proportional to 13,195.59, 18,209.91 and 7,227.27

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Solution

The fourth proportional to 13,195.59, 18,209.91 and 7,227.27 is: 9,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.59 : 18,209.91 = 7,227.27 : x
  2. Step 2: Convert to fraction form
    13,195.59/18,209.91 = 7,227.27/x
  3. Step 3: Cross multiply
    13,195.59x = 18,209.91 × 7,227.27
  4. Step 4: Simplify right side
    13,195.59x = 131,607,900.11
  5. Step 5: Solve for x
    x = 131,607,900.11/13,195.59
  6. Step 6: Final answer
    x = 9,973.63

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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.