Home / 13,189.09-19,784.24-7,341.29

Finding the Fourth Proportional to 13,189.09, 19,784.24 and 7,341.29

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Solution

The fourth proportional to 13,189.09, 19,784.24 and 7,341.29 is: 11,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.09 : 19,784.24 = 7,341.29 : x
  2. Step 2: Convert to fraction form
    13,189.09/19,784.24 = 7,341.29/x
  3. Step 3: Cross multiply
    13,189.09x = 19,784.24 × 7,341.29
  4. Step 4: Simplify right side
    13,189.09x = 145,241,843.27
  5. Step 5: Solve for x
    x = 145,241,843.27/13,189.09
  6. Step 6: Final answer
    x = 11,012.27

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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.